VITRO DIAGNOSTICS INC
SC 13D, 1999-09-10
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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                                  United States
                       Securities and Exchange Commission
                             Washington, D.C. 20549

                          Commission File No.:00017378

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934


                             VITRO DIAGNOSTICS, INC.
                          ----------------------------
                                (Name of Issuer)


                                     Common
                         (Title of Class of Securities)


                                   928501-30-3
                                 (Cusip Number)


World Wide  Capital  Investors,  LLC,  P.O.  Box 8,  Westcliff,  CO 81252  (800)
443-2965
(Name, Address  and Telephone Number of Person Authorized to Receive Notices and
Communications)

                                December 29, 1998
                          ----------------------------
             (Date of Event which Requires Filing of this Statement)


         If the filing person has  previously  filed a statement on Schedule 13G
to report the  acquisition  which is the subject of this  Schedule  13D,  and is
filing this schedule because of Rule 13- d(b)(3) or (4), check the following box
/ /.

         Check the following box if a fee is being paid with the statement  /X/.
(A fee  is not  required  only  if the  reporting  person:  (1)  has a  previous
statement on file  reporting  beneficial  ownership of more than five percent of
the class of  securities  described  in Item 1; and 92) has  filed no  amendment
subsequent  thereto  reporting  beneficial  ownership of five percent or less of
such class.) (See Rule 13d-7)



<PAGE>



                                  SCHEDULE 13D

CUSIP NO.: 928501-30-3                                         Page 1 of 5 Pages


1.       Name of Reporting Person and
         S.S. or I.R.S. Identification No.

         World Wide Capital Investors, LLC
         a Colorado Limited Liability Company
         Tax ID #:  84-1012042

         Members of LLC

         See attached Exhibit A

2.       Check the Appropriate Box if A Member of a Group*

                  a /X/
                  b /  /

3.       SEC Use Only


4.       Source of Funds

         OO

5.       Check Box if Disclosure of Legal Proceedings is Required
         Pursuant to Items 2(d) or 2(e)

         /  /

6.       Citizenship or Place of Organization

         Colorado Limited Liability Company
         State of Colorado, USA

7.       Sole Voting Power

         2,370,000

8.       Shared Voting Power

         0

9.       Sole Dispositive Power

         2,370,000

10.      Shared Dispositive Power

         0



<PAGE>



11.      Aggregate Amount Beneficially Owned by Each Reporting Person

         2,370,000 (Note: LLC member list attached as Exhibit A)

12.      Check Box if the Aggregate Amount in Row (11) Excludes Certain
         Shares

         /  /

13.      Percent of Class Represented by Amount in Row (11)

         36.95% @ December 31, 1998

14.      Type of Reporting Person

         OO

Item 1.           Security & Issuer

         This  statement  relates to common shares of Vitro  Diagnostics,  Inc.,
8100 Southpark Way, Bldg. B-1, Littleton, CO 80120

Item 2.

I.       a.       World Wide Capital Investors, LLC - a Colorado Limited
                  Liability Company

                  List of members attached as Exhibit A.

         b.       P.O. Box 8, Westcliffe, CO

         c.       Reporting  party was  formed to  acquire a total of  2,370,000
                  shares of common  stock of Vitro  Diagnostics,  Inc. and after
                  registering the stock under Section 5 of the Securities Act of
                  1933, distribute it in kind to LLC interest owners pro rata.

         d.       Neither  the  reporting  person nor any of its  managers  have
                  during  the last  five  years  been  convicted  in a  criminal
                  proceeding (excluding traffic violations).

         e.       The  reporting  person has not during the last five years been
                  subject to or party to a civil  proceeding of any type nor has
                  any judgment, decree or order of any type been entered against
                  reporting person.

         f.       Citizenship: USA  Place of Formation:  State of Colorado

II. Manager of LLC and deemed beneficial owner of World Wide Capital  Investors,
LLC:

         a.       Kilyn Roth
         b.       P.O. Box 8, Westcliffe, CO


<PAGE>



         c.       Principal  occupation  has been as President of and manager of
                  World Wide  Capital  Company  within  the past two years.  The
                  address of such business is P.O. Box 8, Westcliffe, CO.
         d.       The reporting person has not, during the last five years, been
                  convicted  in  a  criminal   proceeding   (excluding   traffic
                  violations).
         e.       The reporting person has not, during the last five years, been
                  subject to or party to a civil  proceeding of any type nor has
                  any judgment, decree, or order of any type.
         f.       Citizenship:  United States

         a.       Kristine Brubaker
         b.       P.O. Box 8, Westcliffe, CO
         c.       Principal  occupation  has been as  secretary  of  World  Wide
                  Capital Company within the past two years. The address of such
                  business is P.O. Box 8, Westcliffe, CO.
         d.       The reporting person has not, during the last five years, been
                  convicted  in  a  criminal   proceeding   (excluding   traffic
                  violations).
         e.       The reporting person has not, during the last five years, been
                  subject to or party to a civil  proceeding of any type nor has
                  any judgment, decree, or order of any type.
         f.       Citizenship:  United States

III. Other Members of World Wide Capital  Investors,  LLC as listed on Exhibit A
have no management responsibility and none have

         a.       been convicted in a criminal proceeding during the last
                  five years (excluding traffic matters);
         b.       been subject to or party to a civil proceeding of any type nor
                  has any  judgment,  decree,  or order of any type been entered
                  against any LLC member.

Item 3.           Source and Amount of the Funds

         Personal  funds of  interest  subscribers  in the  World  Wide  Capital
Investors,  LLC. The reporting  entity  completed the purchase  transaction with
seller by  delivery  of  $708,750  in cash and a note due in January of 1999 for
$112,500.  The Note was paid in full in January 1999,  and the stock shares were
delivered to purchaser.

Item 4.           Purpose of the Transaction

         The  transaction was to purchase the  controlling  shareholders  (Lloyd
Fields)  interest in Vitro  Diagnostics,  Inc. which  constituted  56.85% of the
outstanding  common  stock  of  Vitro  Diagnostics,   Inc.  (2,370,000  shares).
Reporting Party purchased  2,370,000  shares,  and an individual,  Lloyd Hansen,
purchased 1,280,000 shares or 19.9% of the outstanding stock.



<PAGE>



Item 5.           Interest in Securities of the Issuer

         a.       2,370,000  common shares (36.95%) of issuer as of December 31,
                  1998 are  owned  beneficially  and of  record  by  World  Wide
                  Capital  Investors,   LLC.  Kristine  Brubaker,   manager  and
                  Reporting Party, owns 23.08% of the LLC interest.  Kilyn Roth,
                  manager of the LLC, owns 11.77% of the LLC
                  interest.

         b.       World  Wide  Capital  Investors,  LLC has  sole  power to vote
                  2,370,000 shares of common stock. Kilyn Roth is the manager of
                  World Wide Capital Investors, LLC.

                  World Wide Capital  Investors,  LLC is owned  beneficially  as
                  listed on attached Exhibit A.

                  World Wide Capital  Investors,  LLC (managed by Kilyn Roth and
                  beneficially owned by Kristine Brubaker as a 22.7% owner), who
                  is the manager of the LLC.

         c.       None.

         d.       Not Applicable

         e.       Not Applicable

Item 6.           Contracts, Arrangements, Understandings or Relationships with
Respect to Securities of the Issuer.

         The  information  contained  in  response  to  Items  4 and 5,  and the
Exhibits A, B, C, and D attached hereto are incorporated herein.

         The  Reporting  Person  had  an  understanding  with  Lloyd  Hansen,  a
purchaser of 1,280,000 shares (19.9%) of the common stock of Vitro  Diagnostics,
Inc.,  whereby they cooperated in the purchase of the total of 3,650,000  shares
of the Vitro  Diagnostics,  Inc. from Lloyd Fields and each  contributed cash to
the  purchase  of the shares and  divided  the shares  purchased  pro rata.  Mr.
Hansen's  shares will be included in any  Registration  Statement filed by World
Wide Capital Investors, LLC.

Item 7.           Exhibits

         A.       List of LLC interest holders

         B.       LLC Operating Agreement

         C.       Purchase letter Agreement

         D.       Closing letter Agreement


<PAGE>



                                    SIGNATURE


         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.


                                      WORLD WIDE CAPITAL INVESTORS, LLC.



Dated: August 24, 1999                /s/ Kilyn Roth
                                      ------------------------------------------
                                      Kilyn Roth, Manager





                                    EXHIBIT A
           PERCENTAGE OWNERSHIP OF WORLD WIDE CAPITAL INVESTORS, LLC.
                                    Continued


<PAGE>

<TABLE>
<CAPTION>
                                    EXHIBIT A
           PERCENTAGE OWNERSHIP OF WORLD WIDE CAPITAL INVESTORS, LLC.



NAME                                                           ADDRESS                                               %
- ----                                                           -------                                               -
<S>                                                            <C>                                                   <C>
Henry Schmerler                                                5095 Joewood Dr.,                                     5.27%
                                                               Sanibel, FL 33957

Ann H. Knutson, Trustee                                        6501 Pontiac Dr., Indian                              2.11%
                                                               Head Park, IL 60525

Jim Kubik                                                      300 Sears Tower, 233 S.                               10.55%
                                                               Wacker, Chicago, IL 60606

Kellie Family Trust, James and/or                              P.O. Box 475                                          5.25%
Elisabeth Kellie, Trustee                                      Cotopaxi, CO 81223

Joe A. Bybee                                                   8002 Summer Brook,                                    0.53%
                                                               Sugarland, TX 7979

Dan D. Taylor IRA                                              3215 Sunset Blvd., Houston,                           2.11%
                                                               TX 77005

Joe Ince IRA                                                   104 Fawnlake, Houston, TX                             5.27%
                                                               77079

George Koldenhoven                                             8025 S. Wolf Rd., LaGrange,                           0.42%
                                                               IL 60525

Lumiere Securities Inc.                                        1601 Blake St., Suite 500,                            0.26%
                                                               Denver, CO 80202

Lumiere Company, Inc.                                          1601 Blake St., Suite 500,                            1.05%
                                                               Denver, CO 80202

James G. & Betty B. Buick                                      2047 Little Heron Ct. SE,                             3.16%
                                                               Grand Rapids MI 49546

Craig O'Neal                                                   37 Keenan Creek Way,                                  1.12%
                                                               Simpsonville, SC 29681

Trent Gaites                                                   5404 McEver Rd., Oakwood,                             5.27%
                                                               GA 30566

Matt Billings                                                  4353 Lawn Avenue                                      2.11%
                                                               Western Springs, IL 60558

Fred McDowell                                                  P.O. Box 450849, Atlanta,                             2.64%
                                                               GA 31145

Leroy Ubben                                                    2837 Buttermilk Circle,                               2.64%
                                                               Colorado Springs, CO 80918

Bruno Risatti, Jr.                                             13005 Silver Fox, Lemont,                             1.05%
                                                               IL 60439



<PAGE>


                                    EXHIBIT A
           PERCENTAGE OWNERSHIP OF WORLD WIDE CAPITAL INVESTORS, LLC.
                                    Continued




Lisa Brubaker                                                  2828 N. Pinegrove, Apt. 620                           0.13%
                                                               Chicago, IL  60657

William Pattara                                                4845 W. 167th Street, Oak                             1.05%
                                                               Forest, IL 60452

John D. Blessing                                               2500 S. Lincoln, Denver, CO                           2.11%
                                                               80210

Judith Benham                                                  14261 Foothill Lane,                                  1.05%
                                                               Golden, CO 80401

Harold L. Piper                                                1000 RR Ave., Rifle, CO                               1.27%
                                                               81650

G. Thomas Morton                                               1487 County Rd 117,                                   0.42%
                                                               Glenwood Springs, CO 81601

SW Securities, FBO Gary Benham                                 1201 Elm St., Dallas, TX                              1.05%
IRA                                                            75270


Dennis D. Roth                                                 5839 East Lorraine Rd.,                               4.22%
                                                               Larkspur, CO 80118

Irwin Renneisen                                                660 Newton Yandley Rd.,                               2.53%
                                                               Newton, PA 18940

World Wide Capital, Inc.                                       P.O. Box Westcliffe, CO                               0.84%
                                                               81252

Kristine S. Brubaker                                           0409 Elkhorn Rd.,                                     22.70%
                                                               Cotopaxi, CO 81223

Kilyn Roth                                                     3483 Bird Point Dr.,                                  11.77%
                                                               Cotopaxi, CO 81223

TOTAL                                                                                                                100.00%

</TABLE>





                                    EXHIBIT B

                             LLC OPERATING AGREEMENT


<PAGE>




                               OPERATING AGREEMENT

                                       OF

                        World Wide Capital Investors, LLC

                      A COLORADO LIMITED LIABILITY COMPANY

         This  Operating  Agreement (the  "Agreement")  is made and entered into
effective  as of the  16th of  April,  1999 by and  between  Kilyn  Roth and the
subscribing  persons who are  sometimes  hereinafter  designated  "Members"  and
hereinafter  designated  collectively  "Members." In consideration of the mutual
promises,  covenants  and  conditions  hereinafter  set forth and other good and
valuable  consideration,  the  receipt  and  sufficiency  of which  the  Members
acknowledge,  the  Members  enter into this  Operating  Agreement  of World Wide
Capital Investors, LLC as follows:

                                   ARTICLE I.
                                   DEFINITIONS

         The  following  terms used in this  Agreement  shall have the following
meanings (unless otherwise expressly provided herein);

         (a)  "Capital  Account"  as of any given date  shall  mean the  Capital
contribution  to the  Company by a Member as adjusted up to the date in question
pursuant to Article VIII.

         (b)  "Capital  Contribution"  shall mean any  contribution,  in cash or
property, to the capital of the Company made by a Member,  whenever contributed.
"Initial  Capital  Contribution"  shall  mean the  initial  contribution  to the
capital of the Company pursuant to this Agreement.

         (c) "Code" shall mean the Internal Revenue Code of 1986, as amended, or
corresponding provisions of subsequent superseding federal revenue laws.

         (d) "Colorado Act" shall mean the Colorado  Limited  Liability  Company
Act, Title 7, Article 80 of the Colorado Revised Statutes, et seq.

         (e) "Company" shall refer to World Wide Capital Investors, LLC.

         (f)  "Distributable  Cash"  shall  mean all  cash,  revenues  and funds
received by the Company from Company  operations,  less the sum of the following
to the extent paid or set aside by the Company:  (i) all  principal and interest
payments on  indebtedness  of the Company and all other sums payable to lenders;
(ii) all expenditures incurred in the operation of the Company's business; (iii)
such cash  reserves  as the  Manager(s)  deems,  in his or her sole  discretion,
appropriate to the proper operation of the Company's business.

         (g) "Entity" shall mean any general  partnership,  limited partnership,
limited liability company,  corporation,  joint venture,  trust, business trust,
cooperative or association.

         (h) "Fiscal Year" shall mean the Company's  fiscal year, which shall be
the calendar year.

         (i) "Interest"  shall mean the percentage of ownership  interest in the
Company as set forth after each  Member's  name in Article IX,  Section 9.01, of
this Agreement.

         (j)  "Manager"  shall  initially  mean Kilyn Roth.  Following the first
annual  meeting  of the  Company,  "Manager"  shall  mean the  person or persons
elected by the Members of the Company to manage it pursuant to Section  7-80-402
of the Colorado  Act.  Until  changed  pursuant to the terms of this  Agreement,



<PAGE>



there shall be one Manager.  References to the  Manager(s) in the singular or as
him, her, it, itself,  or other like references shall also, where the context so
requires,  be  deemed  to  include  the  plural  or the  masculine  or  feminine
reference, as the case may be.

         (k) "Member" shall mean each party who executes this Agreement,  or any
counterpart  thereof,  as a Member  and each of the  parties  who may  hereafter
become additional or substituted Members.

         (l) "Agreement" shall mean this Agreement as originally executed and as
amended from time to time.

         (m)  "Person"  shall  mean any  individual  or  Entity,  and the heirs,
executors,  administrators,  legal representatives,  successors,  and assigns of
such "person" where the context so admits.

         (n)  "Property"  shall  mean  any  limited  liability  company  assets,
tangible or intangible.

         (o) "Substitute Member" shall mean any Person or Entity who or which is
admitted  to all of the  rights  of a  Member  who has died or  transferred  and
assigned  part or all of his or her Interest in the Company with the approval of
all of the Members or as otherwise  provided herein.  The Substitute  Member has
all the rights and powers and is subject to all the restrictions and liabilities
of his assignor.  The substitution of the assignee does not, by itself,  release
the assignor from liability to the Company.

                                   ARTICLE II.
                              FORMATION OF COMPANY

         2.01  Formation.  On April 16, 1999,  the Members  organized a Colorado
Limited Liability Company under the pursuant to the Colorado Act.

         2.02  Name.  The name  of the  Company is World Wide Capital Investors,
LLC.

         2.03 Principal  Place of Business.  The principal  place of business of
the Company  within the State of Colorado  shall be 10200 W. 44th Avenue,  Suite
400,  Wheat Ridge,  CO 80033.  The Company may locate its places of business and
registered  office  at  any  other  place  or  places  as  the  Manager(s)  from
time-to-time deems advisable.

         2.04 Registered Office and Registered  Agent. The Company's  registered
office in Colorado  shall be 10200 W. 44th Avenue,  Suite 400,  Wheat Ridge,  CO
80033,  and the name of its initial  registered  agent at such address  shall be
Michael A. Littman.

         2.05 Term. The term of the Company shall be two (2) years from the date
of filing of the Company's  Articles of Organization with the Secretary of State
of the State of Colorado,  unless the Company is earlier dissolved in accordance
with either the provisions of this Agreement or the Colorado Act by distribution
of its stock assets pursuant to a Registration Statement filed with the SEC. Any
dissolution  or the  Company  in  contravention  of this  Agreement  shall  be a
material breach of this Agreement.



                                  ARTICLE III.
                               BUSINESS OF COMPANY

         3.01 Permitted Businesses.  The business of the Company shall be to act
as a holding company for members interests in shares of Vitro  Diagnostic,  Inc.
to register  such  shares  under the  Securities  Act of 1933 and to do all acts
incident to such  purpose,  all with a view to the  distribution  of such shares
upon effectiveness of the Registration Statement.


<PAGE>




                                   ARTICLE IV.
                          NAMES AND ADDRESS OF MEMBERS

         The names and addresses of the Members are as follows:

         See attached Schedule A.

                                   ARTICLE V.
                          RIGHTS AND DUTIES OF MANAGER

         5.01  Management.  The  business  and affairs of the  Company  shall be
managed by its designated Manager or Managers. Each Manager shall direct, manage
and control the  business of the Company to the best of his or her ability  and,
subject to the limitations  contained in this  Agreement,  the Managers have the
complete  authority to do any and all things which the complete  authority to do
any and all things which the Manager  shall deem to be in the best  interests of
the Company.

         5.02 Number,  Tenure and Qualifications.  The number of Managers of the
Company shall be fixed from time to time by the affirmative  vote of the Members
holding a majority of the  Company's  Interests.  Initially,  there shall be two
Managers.  The initial  Managers shall be the Members  executing this Agreement.
The  initial  Managers  shall  serve  until  successors  shall  be  elected  and
qualified.  The  Managers  shall hold office  until the next  annual  meeting of
Members  or until his  successor  shall have been  elected  and  qualified.  The
Manager shall be elected by the  affirmative  vote of Members holding a majority
of the Company's  Interests.  The party acknowledges that, in the event that the
Members  holding a majority of the  Company's  Interests  cannot  agree upon the
election of the  Managers at the annual  meeting of Members,  then the  Managers
then in office  shall  continue to serve until  successors  shall be elected and
qualified.  The  Manager(s)  need not be  residents  of the State of Colorado or
Members of the Company.

         5.03  Certain  Powers of  Manager(s).  Subject to the rights and powers
vested  in the other  Members  by law and  subject  to the  restrictions  as are
hereinafter set forth,  the Manager shall have the power and authority,  for and
on behalf of the Company to execute and  consummate  the  registration  of Vitro
Diagnostics,  Inc.  common  shares  owned by the Company and to  distribute  the
shares pro-rata to members ownership upon effectiveness of Registration.  Unless
authorized to do so by this  Agreement or by the Members,  no Member,  agent ,or
employee of the Company shall have any power or authority to bind the Company in
any way,  pledge its credit,  or render it liable for any  purpose.  However,  a
Manager may act by a duly authorized Power of Attorney.

         5.04 Restriction on Powers of Managers. Without the affirmative vote of
Members holding a majority of the Company's Interests,  the Manager shall not be
authorized  to (a) enter into any contract or agreement to borrow  funds,  or to
encumber the Company or the assets of the  Company;  (b) enter into any contract
or agreement,  or disburse funds, for any single expenditure of more than $1,000
or the cumulative expenditure of more than $5,000 for registration expenses; (c)
to affect the sale of part or all of the Company's  assets;  (d) create reserves
for  future  expenses  or  capital  expenditures;  (e)  enter  into  or  modify,
terminate, or otherwise alter any lease on behalf of the Company with respect to
part or all of the assets; (f) enter into any transaction with himself, a member
of his  family,  or any Entity  affiliated  with the  Manager;  and (g)  receive
compensation  from any  persons  related  to the assets or his  activities  with
respect thereto, which is not specifically provided for in this Agreement.

         5.05 Liability for Certain Acts. The Manager(s) shall exercise business
judgment in managing the business operations and affairs of the Company.  Unless
fraud, deceit, gross negligence, wilful misconduct or a wrongful taking shall be
proved by a nonappealable court order,  judgment,  decree or decision, a Manager
shall not be liable or  obligated  to the  Members  for any  mistake  of fact or
judgment  or for  the  doing  of any  act or the  failure  to do any  act by the
Manager(s) in  conducting  the business  operations  and affairs of the Company,
which may cause or result in any loss or damage to the Company or its Members. A
Manager  does not,  in any way,  guarantee the  return of  the  Members' Capital


<PAGE>



Contributions or a profit for the Members from the operations of the Company.  A
Manager  shall  not be  responsible  to any  Member  because  of a loss of their
investment or a loss in operations,  negligence, unless the loss shall have been
the result of fraud, deceit,  gross negligence,  wilful misconduct or a wrongful
taking by a Manager  proved as set forth in this Section.  A Manager shall incur
no  liability to the Company or to any of the Members as a result of engaging in
any other business or venture.

         5.06 Manager(s) - No Exclusive Duty to Company.  A Manager shall not be
required to manage the Company as his or her sole and exclusive  function and he
or she (or any  Manager)  may have other  business  interests  and may engage in
other  activities in addition to those  relating to the Company.  However,  this
Section  5.05 shall not relieve the Manager of his duty of good faith,  his duty
to use his best efforts in the execution and  performance  of his duties and his
fiduciary duty to the Company. Neither the Company nor any Member shall have any
right,  by virtue  of this  Agreement,  to share or  participate  in such  other
investments or activities of the Manager(s) or in the income or proceeds derived
therefrom.

         5.07 Bank Accounts.  A Manager may from time to time open bank accounts
in the name of the  Company,  and a Manager may be the sole  signatory  thereon,
unless the Manager determines otherwise.

         5.08 Indemnity of the Manager(s).  The Manager(s)  shall be indemnified
by the Company  under the following  circumstances  and in the manner and to the
extent indicated:

         (a) In any threatened,  pending or completed action, suit or proceeding
to  which a  Manager  was or is a party or is  threatened  to be made a party by
reason of the fact that he or she is or was a Manager of the Company (other than
an action by or in the  right of the  Company)  involving  an  alleged  cause of
action for damages  arising from the  performance  of his or her  activities  on
behalf of the  Company,  the Company  shall  defend and  indemnify  such Manager
against  expenses,  including  attorneys'  fees and court costs,  judgments  and
amounts paid in settlement,  actually and  reasonably  incurred by him or her in
connection with such action, suit or proceeding, if the Manager(s) acted in good
faith and in a manner he or she  reasonably  believed to be in or not opposed to
the best interests of the Company, provided that his or her conduct has not been
found by a nonappealable court judgment, order, decree or decision to constitute
fraud,  deceit,  gross negligence,  wilful  misconduct,  a wrongful taking, or a
breach of his or her fiduciary  obligations  to the Company or the Members.  The
termination of any action, suit or proceeding by judgment,  order, or settlement
shall not, of itself,  create a presumption  that the  Manager(s) did not act in
good faith and in a manner which he or she  reasonably  believed to be in or not
opposed to the best interest of the Company.

         (b) To the extent the Manager(s)  has been  successful on the merits or
otherwise in defense of any action, suit or proceeding referred to in Subsection
(a) above,  or in defense of any claim,  issue or matter  therein,  the  Company
shall  defend and  indemnify  the  Manager(s)  against the  expenses,  including
reasonable  attorneys' fees and court costs, actually and reasonably incurred by
him or her in connection therewith.

         (c) The  indemnification  set forth in this  Section  shall in no event
cause  the  Members  to  incur  any   liability   beyond  their  total   Capital
Contributions plus their share of any undistributed  profits of the Company, nor
shall it result in any liability of the Members to any third party.

         5.09 Resignation.  The Manager of the Company may resign at any time by
giving  written  notice to all  Members of the Company  and by  receiving  prior
written   authorization  from  Members  holding  a  majority  of  the  Company's
Interests.   The  resignation  by  a  Manager  without  receiving  such  written
authorization  shall be a breach  of this  Agreement  by such  Manager,  and the
Company  and/or the other  Members of the Company  shall be entitled to seek any
and all remedies available at equity or in law against the Manager.

         5.10 Removal. A Manager may be removed, for Cause, from his position as
Manager  of the  Company.  "Cause",  under  this  section,  shall  mean  any (i)
Manager's wilful dishonesty  towards,  fraud upon, crime against,  or deliberate
injury or attempted injury to the Company,  (ii) Manager's  failure or inability
to  substantially  comply with  Manager's  duties under Article V herein,  (iii)
Manager's  breach of  fiduciary  duty to the  Company  or the  Members;  or (iv)
Manager's  conviction  for any  felony  crime  which  reflects  upon  his or her



<PAGE>



suitability  as Manager of the  company or his or her  ability to perform  under
this  Agreement.  If any  Member(s)  believes  that there is Cause to remove the
Manager  from his position as Manager of the  Company,  the  alleging  Member(s)
shall give written notice to the Manager and notice to the other  Members.  Upon
notification, the Manager and the Members agree to submit to the jurisdiction of
the American  Arbitration  Association  ("AAA") for binding  arbitration  of the
issue of whether Cause exists to remove the Manager from his position as Manager
of the Company.  The Company shall pay the cost and expenses of the AAA, however
the Manager and alleging  Member(s) shall be responsible for paying any of their
own costs and  expenses  incurred in such  arbitration.  If,  after a hearing in
which both the Manager and the alleging  Member(s)  are allowed to present their
claims and defenses, the AAA determines that Cause does exist for the removal of
the Manager, then the affirmative vote of Members entitled to vote and holding a
majority  of the  Interests  in the  Company  may  remove the  Manager  from his
position as Manager of the Company. For the purposes of such a vote, any Manager
who is also a Member shall not be entitled to vote his Interest.

         Upon receipt of the  notification  of Cause for removal of the Manager,
the Members  (other  than the Manager if the Manager is also a Member)  shall by
vote of a majority  of such  Members  appoint  an interim  Manager to assume the
duties of the Manager pending the  determination  of the arbitration  proceeding
and the  installation  of the former  Manager or a new Manager to undertake  the
responsibilities of the Manager. During the service of any such interim Manager,
the Manager shall not be responsible  for the actions of such interim Manager or
for the performance of any other duties as Manager during such interim period.

         The removal for Cause (other than an inability to substantially  comply
with the Manager's  duties  resulting from the disability of the Manager) of any
Manager who is also Member shall be a breach of this  Agreement by such Manager,
and the Company  and/or the other  Members of the  Company  shall be entitled to
seek any and all remedies available at equity or in law against the Manager.

         5.11 Vacancies. Any vacancy in the number of Managers occurring for any
reason,  other  than as set  forth in the  Section  5.08,  may be  filled by the
affirmative  vote of a  majority  of the  remaining  Manager(s)  then in office,
provided that if there are no remaining  Manager(s),  the vacancy(ies)  shall be
filled by the  affirmative  vote of Members  holding a majority of the Company's
Interests.  Any Manager's  position to be filled by reason of an increase in the
number of Manager(s)  shall be filled by the Members at an election at an annual
meeting  or at a special  meeting of Members  called  for that  purpose,  by the
affirmative  vote of Members  holding a majority of the Company's  Interests.  A
Manager elected to fill a vacancy shall be elected for the unexpired term of his
or her  predecessor in office and shall hold office until the expiration of such
term and until his or her successor  shall be elected and shall qualify or until
his or her earlier  death,  resignation  or removal.  A Manager chosen to fill a
position  resulting from an increase in the number of Managers shall hold office
until the next annual meeting of Members and until his or her successor shall be
elected and shall  qualify,  or until his or her earlier  death,  resignation or
removal.

         5.12 Insider  Employment.  The fact that a person or Entity is a Member
or is employed by or is directly or indirectly  interested in or connected  with
any Member or any person or Entity employed by the Company to render any service
or from whom the Company may buy merchandise (an "Affiliate") shall not prohibit
the Manager  from  employing  or dealing  with such person or Entity;  provided,
however, that any contract, employment or arrangement with such person or Entity
shall be on an arms-length  basis,  disclosed to the other Members,  approved by
Members owning a majority of the Interest in the Company,  and shall be fair and
reasonable.


<PAGE>



                                   ARTICLE VI.
                        RIGHTS AND OBLIGATIONS OF MEMBERS

         6.01 Limitation of Liability.  Each Member's liability shall be limited
as set forth in the Colorado Act and other applicable law.

         6.02 Company Debt Liability. A Member will not personally be liable for
any  debts  or  losses  of the  Company  beyond  his or her  respective  Capital
Contributions, except as provided by Colorado law.

         6.03   Additional   Capital   Contribution.   No   Additional   Capital
Contributions  shall be permitted  unless  required as provided in this Section.
Additional Capital Contributions in excess of those required under Section 8.01,
below,  shall be  required  of each  Member  only upon the  affirmative  vote of
Members holding at least 75% of the Interests in the Company. If such Additional
Capital Contributions are approved as required,  they shall be made in the ratio
that  profits  and  losses are shared  under  Section  9.01 and shall be due and
payable in such  manner and at such times upon which the  Members  agree by such
affirmative  vote of Members.  If a Member shall fail to remit a contribution on
the date due, a  non-defaulting  Member shall have the right to make the payment
on behalf of the defaulting  Member. If the defaulting Member fails to remit the
full amount of the delinquent  contribution  within 30 days after the payment by
the  non-defaulting   Member  on  the  defaulting   Members  behalf,   then  the
non-defaulting  Member(s),  without prejudice to other remedies provided by this
Agreement or by law, is authorized:

         (a)  To  sue  for  any  unpaid  assessment,  together  with  reasonable
attorneys' fees, court costs, and interest on such assessment at the rate of 10%
per annum.

         (b) To receive a first and preferred  lien on the  defaulting  Member's
Interest,  together with revenues, rights and benefits attributable thereto, and
to  withhold  and  apply  such  revenues  to  the  payment  of any  such  unpaid
assessment,  or any portion thereof,  until such unpaid assessment (and past due
charges) is paid in full.

         6.04  List  of  Members.  Upon  written  request  of  any  Member,  the
Manager(s)  shall  provide a list showing the names,  addresses and Interests of
all Members in the  Company.  Subject to the  Colorado  Act and upon  reasonable
request,  each Member shall have the right,  during ordinary  business hours, to
inspect and copy such Company documents at the Member's expense.

         6.05 Priority and Return of Capital. No Member shall have priority over
any other Member,  either as to the return of Capital Contributions or as to Net
Profits, Net Losses or Distributions; provided that this Section shall not apply
to payment of  compensation  for  services  rendered or  repayment  of loans (as
distinguished  from  Capital  Contributions)  which  a  Member  had  made to the
Company.

         6.06 Compensation of Members. Upon unanimous approval of the Members of
the Company,  the Manager shall  determine if any Member,  including  himself or
herself, is entitled to compensation of services rendered to the Company and the
amount of such  compensation.  Upon such  Member  approval,  the Manager is also
specifically  delegated  the power and  authority  to pay such amount for and on
behalf of the Company.



                                  ARTICLE VII.
                               MEETINGS OF MEMBERS

         7.01 Annual Meeting. The annual meeting of the Members shall be held on
the second  Tuesday of May at 9:30 a.m.,  or on such other date or time as shall
be determined by  resolution of the Members,  commencing  with the year of 1999,
for the  purpose of the  transaction  of such  business  as may come  before the
meeting.

         7.02 Special Meeting. Special meeting of the Members for any purpose or
purposes,  unless otherwise  prescribed by statute, may be called by any Manager
or by any one Member.


<PAGE>



         7.03 Place of Meeting.  The Members calling the meeting, or the Manager
in case of the  annual  meeting  may  designate  any  place in the City of Wheat
Ridge, Colorado or such other place as the Members may unanimously agree, as the
place of meeting for any meeting of the Members.  If no  designation is made, or
if a special  meeting be  otherwise  called,  the place of meeting  shall be the
principal executive office of the Company in the State of Colorado.

         7.04 Record Date.  For the purpose of determining  Members  entitled to
notice or to vote at any  meeting  of  Members or any  adjournment  thereof,  or
Members entitled to receive payment of any  distribution,  or in order to make a
determination of Members for any other purpose,  the date on which notice of the
meeting  is  mailed  or  the  date  on  which  the  resolution   declaring  such
distribution  is adopted,  as the case may be, shall be the record date for such
determination  of Members.  When a determination  of Members entitled to vote at
any  meeting  of  Members  has  been  made as  provided  in this  Section,  such
determination shall apply to any adjournment thereof.

         7.05 Quorum.  Members  holding a majority of the  Company's  Interests,
represented in person or by proxy,  shall  constitute a quorum at any meeting of
Members.  In the  absence of a quorum at any such  meeting,  Members  holding at
least a majority of the  Interests  of the Company may adjourn the meeting  from
time to time, for a period not to exceed sixty (60) days without further notice.

         At such  adjourned  meeting  at which a  quorum  shall  be  present  or
represented,  any business may be transacted which might have been transacted at
the  meeting as  originally  noticed.  The Members  present at a duly  organized
meeting may continue to transact business until adjournment, notwithstanding the
withdrawal  during such meeting of that  percentage  of Interests  whose absence
would cause less than a quorum.

         7.06 Manner of Acting.  Except as  otherwise  specifically  provided in
this Agreement,  if a quorum is present, the affirmative vote of Members holding
a majority of the Company's  Interests,  shall be the act of the Members. In the
event  any  proposed  action  requires  unanimous  consent  of the  members,  as
otherwise  specified in this  agreement,  such action may not occur without such
unanimous consent.

         7.07 Proxies.  At all meetings of Members,  a Member may vote in person
or  by  proxy  executed  in  writing  by  the  Member  or by a  duly  authorized
attorney-in-fact.  Such proxy shall be filed with the  Manager(s) of the Company
before or at the time of the meeting.  No proxy shall be valid after eleven (11)
months from the date of its execution, unless otherwise provided in the proxy.

         7.08 Action by Members Without a Meeting.  Action required or permitted
to be taken at a meeting of Members may be taken without a meeting if the action
is evidenced by one or more written consents describing the action taken, signed
by each Member  entitled to vote and delivered to the  Manager(s) of the Company
for  inclusion  in the minutes or for filing with the  Company  records.  Action
taken under this  Section 7.10 is  effective  when all Members  entitled to vote
have signed the consent, unless the consent specifies a different date.

         The record date for determining Members entitled to take action without
a meeting shall be the date the first Member signs a written consent.

         7.09  Waiver of Notice.  When any notice is required to be given to any
Member,  a waiver  thereof in  writing  signed by the  person  entitled  to such
notice,  whether  before,  at,  or  after  the  time  stated  therein,  shall be
equivalent to the giving of such notice.

         7.10 Voting.  The Members  holding  Interests shall possess sole voting
rights with respect to the Company,  unless  otherwise  provided by the Colorado
Act. The percentage  vote to which a Member holding  Interests shall be entitled
shall be the fraction the numerator of which is the  percentage  Interest  which
the Member holds and the denominator of which is the aggregate  percentages held
by all Members.


<PAGE>



                                  ARTICLE VIII.
                CONTRIBUTIONS TO THE COMPANY AND CAPITAL ACCOUNTS

         8.01 Members' Capital  Contributions.  Each Member has contributed such
amount as is set forth in Schedule B hereto as its share of the Initial  Capital
Contribution.

         8.02  Capital Accounts.

         (a) A separate  Capital Account shall be maintained in the name of each
Member.  Initially each Member's Capital Account shall be credited with the fair
market  value of his or her Initial  Capital  Contribution,  net of  liabilities
assumed by the  Company and  liabilities  to which the  contributed  property is
subject.

         (b) The Capital  Account of each Member shall  thereafter  be increased
by:

                  (1) The  amount of any cash and the fair  market  value of any
property  subsequently  contributed  to the  Company  by  such  Member  (net  of
liabilities  assumed by the Company  and  liabilities  to which the  contributed
property is subject);

                  (2) The amount of any profits or  separately  stated  items of
income or gain allocated to such Member pursuant to this Agreement;

                  (3) Such Member's share of the Company's  income or gain which
is not  includable  in computing  the  Company's  profits and losses,  including
separately stated items of income or gain; and

                  (4) The amount of any of the  Company's  liabilities  that are
assumed  by such  Member or that are  secured by any of the  Company's  property
distributed to such Member, except to the extent that such liabilities reduce or
limit the Capital Account debit under Section 8.02 (c) (2) below.


         (c) The Capital Account of each Member shall be decreased by:

                  (1) The amount of any Company loses or any  separately  stated
items of deduction of loss allocated to such Member pursuant to this Agreement.

                  (2) The amount of all cash  distributions  and the fair market
value of property  distributions (net of liabilities  assumed by such Member and
liabilities to which the distributed property is subject) to such Member.

                  (3) Such  Member's  share of any  expenditures  of the Company
which are not deductible in computing the Company's profits and losses and which
are not properly  capitalizable,  including  separately  stated items of loss or
deductions.

                  (4) The  amount of any  liabilities  of such  Member  that are
assumed by the  Company  or that are  secured by  property  contributed  by such
Member to the  Company,  except to the extent  that such  liabilities  reduce or
limit the Capital Account credit under Section 8.02 (b) (1) above.

         (d) For  purposes  of this  Section,  any  unrealized  appreciation  or
decline in value with respect to assets  distributed  in kind shall be allocated
among the Members in  accordance  with the  provisions of the Article IX of this
Agreement,  as though such  assets had been sold for their fair market  value on
the date of distribution, and the Members' Capital Accounts shall be adjusted to
reflect both the deemed realization of such appreciation or decline in value and
the distribution of such property.



<PAGE>



         (e) If a Member's Interest is sold, exchanged or otherwise transferred,
the Capital  Account of the transferee  shall be the same as the Capital Account
of the transferor Member immediately before the transfer,  unless the Manager(s)
shall determine otherwise.

         (f) The foregoing and other  provisions of this  Agreement  relating to
the  maintenance  of Capital  Accounts  are  intended  to comply  with  Treasury
Regulation  Section  1.704-1(b) and shall be interpreted and applied in a manner
consistent with such Regulations.

         (g) The Company shall not pay any interest to a Member on such Member's
Capital  Contributions to the Company.  Nothing herein provided shall prevent or
prohibit  the accrual and payment of interest by or to a Member,  the Company or
third parties for loans.

         8.03 Withdrawals or Reduction of Member's Contributions to Capital.

         (a) A Member shall not receive out of the  Company's  property any part
of the Company's  contributions to capital until all liabilities of the Company,
except to Members on account of their  contributions to capital,  have been paid
or there remains property of the Company sufficient to pay them.

         (b) No Member  shall have the right to withdraw  any part of his or her
initial or Additional Capital  Contributions  except (i) with the consent of the
Manager(s),  or (ii) except as otherwise  specifically permitted pursuant to the
terms of this Agreement.  Under  circumstances  requiring a return of a Member's
Capital Contributions,  a Member shall have the right to receive only a pro rata
portion  of  the  shares  of  Vitro  Diagnostics,  Inc.  being  registered  upon
Effectiveness  of the  Registration  Statement.  In the case of distributions in
liquidation of the Company,  the Manager(s) may make  distribution  in kind only
and may  compel  any  Member to accept a  distribution  in kind,  including  the
distribution of a percentage of an asset, provided that the Manager shall have a
duty of  impartiality  with respect to such  distributions  in  liquidation.  No
Member  shall  have  priority  over any other  Member as to return of his or her
Capital Contribution(s) or as to distributions,  except as otherwise provided in
the  Agreement.  Each Member  shall look solely to the assets of the Company for
the  return  of his or her  Capital  Contribution(s),  and if the  assets of the
Company are  insufficient  to return a Member's  Capital  Contribution(s),  such
Member  shall have no recourse  against any other  Member for that  purpose.  No
Member  shall be required to restore to the Company or to any of the Members the
amount of the deficit balance,  if any, in such Member's  Capital  Account,  and
neither the Company nor such other Members shall have any claim against a Member
to restore a Capital Account deficit or to require  additional  contributions or
payments to equalize or proportionalize the Member's Capital Accounts.


                                   ARTICLE IX.
                 ALLOCATIONS, INCOME TAX, ELECTIONS AND REPORTS

         9.01  Allocations  of Profits and Losses.  Except as  otherwise  herein
provided,  each Member shall share in Company  profits and losses and separately
state  items of  income,  gain,  loss,  deduction  and credit  according  to the
following percentages:

                This table is contained on Exhibit C and incorporated  herein by
reference.

         9.02 Qualified  Income Offset.  Notwithstanding  any other provision of
this  Agreement  to the  contrary,  if, with  respect to any taxable year of the
Company, a Member receives an unexpected adjustment,  allocation or distribution
of the type described in Section  1.704-1(b) (2) (ii) (d) (4), (5) or (6) of the
Regulations  under Section 704 of the Code that results in such Member's Capital
Account having a negative  balance,  gross income and the amount realized on the
disposition of Company property for such taxable year and all subsequent taxable
years shall be allocated to such Member in an amount necessary to eliminate such
negative  balance in such Member's  Capital Account as quickly as possible.  The
provisions of this Section 9.02 are intended to  constitute a "qualified  income
offset"  within  the  meaning  of  Section  1.704-1  (b) (2) (ii) (d) (3) of the
Regulations  under  Section 704 of the Code and shall be construed in accordance
with such intention.


<PAGE>



         9.03 Minimum Gain  Chargeback.  Beginning in the first  taxable year in
which there are  "nonrecourse  deductions" or a distribution is made of proceeds
of a nonrecourse liability that are allocable to an increase in the minimum gain
of the Company,  as determined  under the rules of Section  1.704-1T(b) (4) (iv)
(e)  of  the  Regulations  under  Section  704 of  the  Code,  or any  successor
provision,  and thereafter  throughout the full term of the Company's existence,
and "minimum gain chargeback"  rules of Section  1.704-1T(b) (4) (iv) (e) of the
Regulation  under Section 704 of the Code, or any  successor  provisions,  shall
apply with respect to the  allocation of all Company  items in such year(s).  If
there is a net decrease  during a taxable year of minimum gain  attributable  to
Member nonrecourse debt within the meaning of Section  1.704-1T(b) (4) (iv) (h),
or any successor  provisions,  then the chargeback rules of Section  1.704-1T(b)
(4) (iv) (h), or any successor provision shall apply.

         9.04  Allocations  Upon  Liquidation.  For federal income tax purposes,
income  (including  gain)  or loss of the  Company  resulting  from  the sale or
disposition  of all or  substantially  all of the assets of the Company,  or the
dissolution of the Company  without an election to continue the Company shall be
allocated to the Members in proportion to their Interests.

         9.05  Required  Distributions.  In the event the Company  realizes  net
income in any calendar  year,  the Members  shall be entitled to a  distribution
from the Company in an amount equal to not less than fifty  percent (50%) of the
net income,  allocable  to such Members in the same  proportions  as profits and
losses of the Company are allocated  among the Member pursuant to the provisions
of Article IX,  Section 9.01.  The Company shall make such  distributions  on or
before March 1st of each calendar year.

         9.06 Distributions.  Distributions of "Distributable  Cash" (other than
required  distributions  under Section 9.05) shall be made to the Members in the
same  proportions  as profits and losses of the Company are allocated  among the
Members  pursuant to the  provisions of Article IX, Section 9.01. The Manager(s)
shall make such  distributions at such times, in such manner and in such amounts
as shall be determined  by the  affirmative  vote of Members  holding at least a
majority of the Company's  Interests.  It is not intended that cash be generated
for distribution.

         9.07  Limitation on  Distribution.  Notwithstanding  the foregoing,  no
distribution shall be declared and paid unless,  after the distribution is made,
the  assets of the  Company  are in excess of all  liabilities  of the  Company,
except liabilities to Members on account of their Capital  Contributions.  It is
not intended that cash be generated for distribution.

         9.08  Accounting  Principles.  Profits and losses of the Company  shall
mean net income or net loss,  respectively,  of the Company,  as determined  for
federal income tax purposes, under the cash receipts and disbursements method of
accounting.  Separately stated items include those items of income,  gain, loss,
deduction or credit which are accounted for separately pursuant to the Code.

         9.09 Loans to  Company.  Nothing in this  Agreement  shall  prevent any
Member from making  secured or unsecured  loans to the Company by Agreement with
the Company, subject to the necessary Member approval.

         9.10 Records and Reports. At the expense of the Company, the Manager(s)
shall maintain  records and account of all operations  and  expenditures  of the
Company.  At a minimum the Company shall keep at its principal place of business
the following records:

         (a) A current list of the full name and last known business, residence,
or mailing address of each Member and Manager, both past and present;

         (b) A copy of the  Articles  of  Organization  of the  Company  and all
amendments  thereto,  together  with  executed  copies of any powers of attorney
pursuant to which any amendment has been executed;

         (c)  Copies of the  Company's  federal,  state,  and local  income  tax
returns and reports, if any, for the three (3) most recent years;


<PAGE>



         (d) Copies of the  Company's  currently  effective  written  Agreement,
copies  of any  writings  permitted  or  required  with  respect  to a  Member's
obligation to contribute cash, property or services, and copies of any financial
statements of the Company for the three (3) most recent years;

         (e) Minutes of every annual, special meeting and court ordered meeting;

         (f) Any written  consents  obtained  from Members for actions  taken by
Members without a meeting;

         The Company's books shall be kept and its financial statements shall be
prepared under the method of accounting described in Section 9.08.

         9.12  Returns  and Other  Elections.  The  Manager(s)  shall  cause the
preparation  and timely  filing of all tax  returns  required to be filed by the
Company  pursuant to the Code and all other tax  returns  deemed  necessary  and
required in each jurisdiction in which the Company does business. Copies of such
returns, or pertinent information  therefrom,  shall be furnished to the Members
within a  reasonable  time  after  the end of the  Company's  fiscal  year.  For
Colorado tax purposes, the Manager(s) shall file with the Colorado Department of
Revenue  an  agreement  of each  non-resident  Member to file a proper  Colorado
income tax return and to make timely  payment of all Colorado taxes imposed with
respect to such Member's share of the Company income,  as required by applicable
laws.

         All  elections  permitted  to be made by the Company  under  federal or
state laws shall be made by the Manager in his sole discretion.


                                   ARTICLE X.
                            RESTRICTIONS ON TRANSFER

         10.01  Restrictions  on  Transfer.  Except  as  otherwise  specifically
provided  in this  Agreement,  no Member  shall  have any  right to sell,  give,
assign, encumber,  transfer, or otherwise dispose of its Interest in the Company
except  upon  unanimous  consent  of  members.   Any  sale,  gift,   assignment,
encumbrance,  transfer,  or other  disposition  of a  Member's  Interest  in the
Company in contravention of the terms of this Agreement shall be null and void.

                  Restrictions on Transferability. Except as provided herein, no
Member shall assign any portion of such  Member's  Interest or the right of such
Member to profits of the Company or any other  asset of the Company  without the
prior  unanimous  written  consent of all members.  The  foregoing  shall not be
applicable  to an  assignment  solely for the right of such Member to profits of
the Company to a Member, an Affiliate, (as hereinafter defined) or to any member
of the Member's  immediate  family or to trusts or estates the  beneficiaries of
which are members of the  immediate  family,  either by  intervivos  transfer or
transfer  by will or the laws of descent and  distribution.  Any  assignment  of
profits only shall not include the right to vote or take part in  management  of
the Company.  Any assignment except as provided above by a Member of an Interest
shall be void as against the Company and the other Members.  In the event of any
transfer  of an Interest  notwithstanding  the  provision  of this  Section,  an
assignee shall not be a substituted  Member in this Company  without the written
consent of all remaining Members.

         (a)  For  purposes  herein  "immediate   family"  shall  mean  parents,
siblings, lineal descendants, and spouses of any such person.

         (b) For purposes herein  "Affiliate" means, when used with reference to
a specific  Person,  as  hereafter  defined,  (a) any Person  that  directly  or
indirectly  through  one or more  intermediaries  controlled  by or is under the
common  control with the  specified  Person,  (b) any Person that is an officer,
director  manager,  or trustee of or partner in, or serves in a similar capacity
with respect to, the specified Person or of which the specified Person serves in
a similar  capacity,  and (c) any Person that,  directly or  indirectly,  is the
beneficial  owner  of  50% or  more  of  any  class  of  equity  securities  of,
partnership or membership interest in or otherwise has a substantial  beneficial
interest in, the specified  person or of which the specified  person is directly



<PAGE>



or indirectly the owner  of 50%  or  more of any  class  of  equity  securities,
membership or  partnership  interests,  or in which the  specified  person has a
substantial beneficial interest. For purposes herein, control means ownership of
Fifty Percent (50%) or more of any class of equity  securities,  membership,  or
partnership interests.

         10.02  Substitution  of Parties.  Except as  otherwise  provided in the
Agreement,  anyone acquiring an Interest in the company pursuant to the terms of
this  Agreement  shall not  become a  Substituted  Member  unless  the other and
remaining Members consent thereto, in writing and the person or Entity acquiring
such Interests agrees to be bound by this Agreement, as then in effect.

         10.03 Right of First Refusal.  Any Member or any Substitute Member (the
"Transferor Member") may entertain an offer by any person or persons to purchase
all or any  portion of its  Interest  in the  Company,  but not  transfer of any
portion of the Transferor Member's Interest in the Company to such a third party
shall be permitted  or  recognized  under this  Operating  Agreement  unless the
Transferor  Member has complied  with the  provisions of Section 10.01 and 10.02
herein and this Section 10.03.

         (a) If the Transferor  Member determines to transfer all or any portion
of its  Interest in the  Company and has  received a bona fide offer to purchase
the same, it shall notify the other Members (the "Offeree Member(s)") in writing
(the "Transfer  Notice") of such offer and of its desire to accept the same. The
Transfer Notice shall set forth the price, terms, and conditions under which the
Transferor  desires to sell its Interest in the Company and the true name of the
proposed purchaser or purchasers.

         (b) The Offeree Member(s) shall have forty-five (45) days from the date
of delivery of the Transfer Notice to notify the Transferor Member in writing as
to their  intent to  purchase  all,  but not less than  all,  of the  Transferor
Member's  Interest in the Company offered for sale, in accordance with the price
and terms set forth in the  Transfer  Notice.  To the  extent  that any  Offeree
Member  elects not to exercise  the Offeree  Member's  option to  purchase,  the
remaining  Offeree Member(s) may elect to do so ("Electing  Offeree  Member(s)")
and shall notify the Transferor  Member  writing as provided in this  paragraph.
Closing shall occur on or before the seventy-fifth  (75th) day after the date of
delivery of the Transfer Notice.

         (c) If any  or  all  offeree  Members(s)  exercise  their  option,  the
Transferor  Member shall be obligated to sell its Interest in the Company to the
Electing Offeree  Member(s),  pro rata in accordance with each Offeree Member(s)
unanimously  agree, so long as the entire  Interest in the Company  described in
the Transfer Notice is purchased.

         (d) If the Electing Offeree Member(s) do not exercise their option, the
Interest in the Company  described in the Transfer  Notice may be transferred by
the  Transferor  Member,  but only to the  person  or  persons  set forth in the
Transfer  Notice,  and upon the price,  terms,  and  conditions set forth in the
Transfer  Notice.  Upon  Transfer  to the  person  or  persons  set forth in the
Transfer Notice, the transferee shall become a Substitute Member (so long as the
Transferor Member has complied with the provisions of Section 10.02 herein). The
Managing Member(s),  by appropriate amendment to the Operating Agreement,  shall
cause any such person to become a  Substitute  Member.  If such  Transfer is not
effected  within  ninety  (90) days  following  the  expiration  of the  Offeree
Member's  option,  or if the  terms of the  offer  change  in any  respect,  the
transfer of such  Interest in the Company shall again be subject to this Section
10.03.

         10.04 Divorce of a Member.  In the event a Member who is an individual,
if any, is divorced from his/her spouse (a "Divorced Member"),  immediately upon
the entry of a decree of divorce in a court of competent  jurisdiction  awarding
ownership  of the Interest to the spouse of the  Divorced  Member,  the Divorced
Member  shall give notice to the other  Members and  Managing  member(s).  For a
period ninety (90) days thereafter,  the remaining Members shall have the option
to purchase the Interest of the spouse of such Divorced Member in the Company at
a price  determined as set forth in Section  11.04  hereof,  as if such Divorced
Member had desired to separate from the other Members on the date such decree of
divorce was  entered.  The option to purchase  the Interest of the spouse of the
Divorced  Member in the Company may be  exercised at any time within a period of
ninety (90) days after the members are  notified in writing of the entry of such



<PAGE>



decree of divorce.  The purchase price as provided therein shall be paid in full
to the  Divorced  Member or other party  designated  by the Court  wherein  such
decree of  divorce  is  entered,  after the date of the  notification  that such
decree has been entered.  Upon payment of the purchase price and upon assumption
by the other  members of the Divorced  Member's  liability  for any  outstanding
indebtedness,  liabilities,  liens, and obligations relating to the Company, the
Divorced member or spouse, as appropriate, shall execute and deliver such deeds,
assignments,  conveyances,  and other instruments as may be reasonably necessary
to evidence and render fully  effective the transfer of the  Interest,  it being
understood  that  such  transfer  of  such  Interest  shall  be  subject  to any
indebtedness  of the Company.  The Interest in the Company so purchase  shall be
allocated  to the  Members  in  proportion  to their  respective  Interests.  No
assignment  or  transfer of a Member's  Interest in the Company  shall cause the
Members  to  suffer  any  personal   liability  for  outstanding   indebtedness,
liabilities,  liens, and obligations  relating to the Company which may exist on
the date of the assignment or transfer.


                                   ARTICLE XI.
                               BUY/SELL AGREEMENT

         11.01  Separation  Notice.  If any  member  (the  "Separating  Member")
desires  to  separate  from the other  Member or Members as the case may be (the
"Responding  Member"),  the  Separating  member shall give  written  notice (the
"Separation  Notice") to the  Responding  Member.  The  Separation  Notice shall
state:

         (a) Desire to Separate.  That the Separating Member desires to separate
from the Responding member and is willing either to purchase the Interest in the
Company of the Responding Member or to sell the Separating  member's Interest in
the Company to the Responding Member; and

         (b) Value.  The value, as determined by the Separating  Member,  of all
the assets of the Company net all  liabilities of the Company,  upon which value
the Separating  Member is willing to have the purchase price for the Interest in
the Company determined.

         11.02 Call Notice or Put Notice.  When Sixty (60 days after  receipt by
the Responding  Member of a Separation Notice the Responding Member (who, except
as  specifically  set forth below,  shall be required to act unanimously in this
regard) shall either:

         (a) Call  Notice.  Give  written  notice  (the  "Call  Notice")  of the
Responding  Member's  election  to purchase  the  Interest in the Company of the
Separating member at the stated value in Section 11.01(b) above; or

         (b)  Put  Notice.  Give  written  notice  (the  "Put  Notice")  of  the
Responding  Member's  election  to  sell  its  Interest  in the  Company  of the
Separating member at the stated value in Section 11.01(b) above.

         Notwithstanding  the foregoing,  to the extent that additional  Members
have been  admitted to the Company  and any  Responding  Member does not wish to
accept the Separating Member's offer to sell, the remaining Responding Member(s)
may accept  the same by giving a Call  Notice and may  purchase  the  Separating
Member's  Interest  in the Company pro rata in  accordance  with such  remaining
Responding  Member(s) Interest in the Company, and in such event, the Member who
does not wish to participate in such purchase shall have no rights to deliver to
the Separating  member a Put Notice.  The failure of the  Responding  Members to
give either a Call Notice or Put Notice as provided  herein  within the required
sixty (60) day period shall be deemed to be the giving of a Put Notice.

         11.03  Purchase and Sale of Interest in the  Company.  The closing of a
purchase of a Member's Interest in the Company,  pursuant to this Article, shall
take place at the offices of the Member  purchasing  the Interest in the company
at such time as may be designated by the Responding Member in the Call Notice or
the Put Notice,  but in no event later than one hundred  twenty (120) days after
receipt by the Separating Member of the Call Notice or the Put Notice,  unless a
later time is agreed to by all of the  Members.  At the  closing  ("the  Closing
Date"),  the member(s) required by the Call Notice or the Put Notice to purchase



<PAGE>



(the "Purchasing Member(s)"),  shall purchase all of the Interest in the Company
of the Member(s)  (the  "Selling  Member(s)"),  pro rata in accordance  with the
Interest in the Company of the Purchasing  Members, or in such other proportions
as the Purchasing  Members may agree,  by the payment of cash or certified funds
to the Selling  Member in an amount equal to the  purchase  price of the Selling
Member's  Interest in the Company,  as  determined  under  Section 11.04 hereof.
Contemporaneously with the receipt by the Selling Member of such purchase price,
the Selling Member shall deliver to the Purchasing member(s) or its assignee, an
assignment(s)  of its Interest in the Company,  in the form  required by Section
11.05 hereof. Any assignee of Purchasing  Member(s) is subject to the provisions
of Section  10.01  herein  (specifically  excluding  the  consent of the Selling
Member(s)).

         11.04  Determination  of Purchase  Price.  The  purchase  price for any
Member's  Interest in the Company  under this  Article  shall be the amount that
Member would  receive as a  distribution  in  liquidation  of the Company if the
Company  were  liquidated  and  the  total  amount  being   distributed  in  the
liquidation  was the value of the Company asset, as determined by the Separating
Member and set forth in the Separation Notice.

         11.05 Form of Assignment.  Any assignment of a Member's Interest in the
Company under this Article shall be in writing,  shall be an absolute assignment
of all such Member's interest in the Company, and shall warrant:

         (a) Percentage Interest.  The percentage interest owned by the Member
making the assignment.

         (b) No Encumbrances.  That such interest is free and clear of all
encumbrances;

         (c) Power to Assign. That the member making the assignment has the full
and complete right, power, and authority to make the assignment.

         11.06 Failure to Tender Purchase Price. If any Member is required under
this Article to purchase all or any portion of another Member's  Interest in the
Company  and fails to tender the cash or  certified  funds  required  under this
Article within the required time period, time being of the essence hereof, then:

         (a) Other Purchasing Member(s).  If there are other Purchasing Members,
the Purchasing  Members  shall,  within thirty (30) days after the Closing Date,
proceed with the  purchase of the Interest in the Company of the Selling  Member
and shall also purchase the Interest in the Company of the Purchasing Member who
has failed to tender the required cash or certified funds in a timely fashion;

         (b) No Other  Purchasing  Member(s).  If there are no other  Purchasing
Members,  the Purchasing Member shall become the Selling Member and the original
Selling Members hall become the Purchasing Member and shall,  within thirty (30)
days after the Closing  Date,  proceed  with the purchase of the Interest in the
Company of the Selling Member.

         (c)  Reduction  in Price.  In either case,  the purchase  price for the
Interest in the Company of the Member who has failed to tender the required cash
or certified  funds in a timely fashion shall be an amount equal to seventy-five
percent (75%) of the purchase price determined under section 11.04 herein.

         11.07 Failure to Deliver  Assignment.  If any Member is required  under
this Article to deliver an  assignment  of its Interest in the Company and fails
to deliver such assignment  within the time required,  time being of the essence
hereof,  or fails to deliver  such  assignment  in the form  required,  then the
member(s) to whom such  assignment is to be delivered,  in addition to all other
remedies that may be  available,  shall have the right to an action for specific
performance  and damages  against the Member who has failed to properly  deliver
the assignment.

         11.08  Restriction on Right to Give Separation  Notice. No Member shall
initiate  the  Buy/Sell  provisions  set  forth  in this  Article  II  giving  a
Separation  Notice,  if any other Member  having  previously  given a Separation
Notice,  has become a Separating  Member  hereunder and the purchase and sale of



<PAGE>



the Interest in the Company pursuant to such Separation  Member's  initiation of
the Buy/Sell provisions in this Article II have not been consummated.


                                  ARTICLE XII.
                           DISSOLUTION AND TERMINATION

         12.01 Dissolution.

         (a) The Company shall be dissolved  only upon the  occurrence of any of
the following events:

                  (i)    When the  period fixed  for the duration of the Company
shall expire;

                  (ii)   The unanimous written agreement of all Members;

                  (iii)  Effectiveness  of the  Registration  Statement  for the
shares of Vitro Diagnostics, Inc.

                  (iv)  Upon the  death,  disability,  resignation,  bankruptcy,
dissolution  of a Member or occurrence of any other event which  terminates  the
continued membership of a Member in the Company (a "Withdrawal  Event"),  unless
the  business of the Company is  continued  by the consent of all the  remaining
Members within sixty (60) days after the Withdrawal Event and there are at least
two remaining  Members.  This  subsection (iv) shall not be construed to limit a
Member's  liability for  resignation  prior to the date for  termination  as set
forth above,  which shall be considered a breach of this Agreement.  Each of the
remaining  Members  hereby  agrees  that  within  the sixty  (60) days after the
occurrence  of a  Withdrawal  Event  (and  provided  that there are at least two
remaining  Members of the  Company),  he or she will  consent,  in  writing,  to
continue the business of the Company. The written consent shall be mailed to the
principal  place of  business  of the  Company.  The sole remedy for breach of a
Member's  obligation  to consent to continue the  business of the Company  under
this subsection (iv) shall be money damages (and not specific performance).

         (b) As soon as possible  following the  occurrence of any of the events
specified  in  the  Section  effecting  the  dissolution  of  the  Company,  the
appropriate representative of the Company shall execute a Statement of Intent to
Dissolve in such form as shall be prescribed by the Colorado  Secretary of State
and file same with the Colorado Secretary of States's office.

         12.02 Waiver of Partition and Withdrawal.  The Members acknowledge that
this  Agreement  provides for the fair and just payment and  liquidation  of the
Members' Interests in the Company,  and that partition of the Company's property
prior  to any of the  occurrences  contemplated  in  this  Article  would  cause
irreparable  damage to the Company.  Accordingly,  each Member hereby waives and
renounces his or her right, if any, to seek appointment,  for any reason, by any
court of a liquidator of the Company, or to seek the partition of the Company or
any  Company  property,   Further,  except  as  specifically  provided  in  this
Agreement, it is agreed that no Member shall have the right to withdraw any part
of his or her Capital Contribution prior to the termination of this Company, and
then only as  contemplated  in this  Article and to the extent of the  Company's
assets.

         12.03  Liquidation and Winding Up of the Company.

         (a) Upon filing the  Statement of Intent to Dissolve  with the Colorado
Secretary of State,  the Company shall not terminate but shall be liquidated and
shall continue until the winding up of the Company's affairs has been completed.
The Manager(s)  shall be responsible for winding up,  liquidating and dissolving
the Company.  A reasonable  time will be allowed for the orderly  liquidation of
the  Company and its  discharge  of  liabilities  so as to enable the Company to
minimize any losses attendant upon liquidation.



<PAGE>



         (b) Winding up of the Company's  affairs shall include  completing  all
pending  Company  business and  thereafter  collecting  and disposing of Company
assets,  paying Company creditors and distributing to the Members the balance of
any Company assets.

         (c) The Members shall  continue to share net profits,  net losses,  and
distributable  cash of the Company during the winding up of the Company' affairs
in the same  proportions as if the Company were not winding up its affairs.  Any
gain or loss  realized by the Company on  disposition  of Company  assets in the
process of  liquidating  and winding up its affairs shall be credited or debited
to the Members as provided in Section 9.04.

         (d) For purposes of this  Agreement,  any  unrealized  appreciation  or
decline in value with respect to Company assets  distributed in kind to a Member
shall be  allocated  among the  Members in  accordance  with the  provisions  of
Article IX  regarding  the  allocation  of the  Company's  profits and losses as
though  such  assets  were  sold  for  their  fair  market  value on the date of
distribution.  The Member's  Capital  Accounts shall be adjusted to reflect both
the  deemed  realization  of such  appreciation  or  decline  in  value  and the
distribution of such Property.

         12.04  Articles  of  Dissolution.   When  all  debts,  liabilities  and
obligations have been paid and discharged or adequate  provisions have been made
therefor and all of the  remaining  property and assets of the Company have been
distributed  to the  Members,  Articles  of  Dissolution  shall be  executed  in
duplicate and verified by the person signing the Articles,  which Articles shall
set forth the information required by the Colorado Act.

         12.05 Order of Payment. On dissolution, the assets of the Company shall
be used and  distributed in the following  order:  (a) to pay or provide for the
payment of all Company liabilities and liquidating expenses and obligations,  in
the order of  priority  provided  by law;  (b) after  the  payment  of debts and
liabilities  according to Subparagraph (a) above the shares shall be distributed
pro-rata to Members according to their proportionate pro rata ownership interest
in the Company. Upon dissolution, each Member shall look solely to the assets of
the Company for the return of his or her Capital Contribution.  If the Company's
assets  remaining after the payment or discharge of the debts and liabilities of
the Company and after  distribution in kind of the shares of Vitro  Diagnostics,
Inc. are  insufficient  to return a Capital  Contribution  of each Member,  such
Member  shall have no recourse  against the  Company or any other  Member,  with
respect  to  return  of his or  her  Capital  Contribution  or  equalization  or
proportionalization  of Capital  Accounts.  Neither  the  Company nor such other
Members  shall have any claim  against any Member for  restoration  of a Capital
Account  deficit  or with  respect to  equalization  of  proportionalization  of
Capital  Accounts.  No Member shall have any right to demand or receive property
other than cash upon dissolution and termination of the Company.

         12.06  Filing of Articles of Dissolution.

         (a)  Duplicate  originals  of such  Articles  of  Dissolution  shall be
delivered to the Colorado Secretary of State.

         (b) Upon the issuance of a Certificate of Dissolution  the existence of
the Company shall cease,  except for the purpose of suits, other proceedings and
appropriate  action as  provided  in the  Colorado  Act.  The  Manager's)  shall
thereafter  by  trustee(s)  for the Members and  creditors of the Company and as
such shall have authority to distribute any Company  property  discovered  after
dissolution,  convey real estate and take such other  action as may be necessary
on behalf of and in the name of the Company.

                                  ARTICLE XIII.
                            MISCELLANEOUS PROVISIONS

         13.01  Notices.  Any  notice,  demand,  or  communication  required  or
permitted to be given by any provision of this Agreement shall be deemed to have
been  sufficiently  given or served for all purposes if delivered  personally to
the party or to an  executive  officer of the party to whom the same is directed
or, if sent by  registered  or  certified  mail,  postage and  charges  prepaid,
addressed  to  the  Member's  and/or  Company's  address  as it  appears  in the
Company's records, as appropriate. Except as otherwise provided herein, any such


<PAGE>



notice  shall be deemed to be given  three (3)  business  days after the date on
which  the same was  deposited  in a  regularly  maintained  receptacle  for the
deposit of United States mail, addressed and sent as aforesaid.

         13.02 Books of Accounts  and Records.  Proper and complete  records and
books of account  shall be kept or shall be caused to be kept by the  Manager in
which shall be entered fully and accurately all  transactions  and other matters
relating  to the  Company's  business  in such  detail  and  completeness  as is
customary and usual for  businesses of the type engaged in by the Company.  Such
books  and  records  shall  be  maintained  in  accordance  with the  terms  and
conditions  of this  Agreement  and shall be open for  inspection  by any of the
Members, and any of the Members shall have the right to make a separate audit of
the Company's books and records at the Member's own expense.  Unaudited  monthly
financial  statements  shall be prepared  and mailed to each Member on a regular
basis, not less than thirty (30) days after the end of the calendar month.

         13.03 Application of Colorado Law. This Agreement,  and the application
of interpretation  hereof, shall be governed exclusively by its terms and by the
laws of the State of Colorado.

         13.04  Amendments.  Any amendment to this  Agreement may be proposed to
the  Members by Members  holding at least fifty  (50%) of all  Interests  in the
Company.  A vote on an amendment to this Agreement  shall be taken within thirty
(30) days after notice  thereof has been given to the Members unless such period
is  otherwise  extended by  applicable  laws,  regulations,  or agreement of the
Members. A proposed amendment shall become effective at such time as it has been
approved by Members owning a majority of the Interest in the Company.

         11.05 Execution of Additional Instruments. Each Member hereby agrees to
execute  such  other  and  further   statements   of  interest   and   holdings,
designations,  power of attorney and other  instruments  (i) necessary to comply
with any laws, rules or regulations or (ii) desirable to carry out the terms and
conditions of the Agreement.

         13.06  Construction.  Whenever  the  singular  number  is  used in this
Agreement and when  required by the context,  the same shall include the plural,
and the  masculine  gender shall include the feminine and neuter gender and vice
versa.

         13.07  Headings.  The  headings  in this  Agreement  are  inserted  for
convenience only and are in no way intended to describe,  interpret,  define, or
limit the scope, extent or intent of this Agreement or any provision hereof.

         13.08  Waivers.  The failure of any party to seek redress for violation
of or to insist upon the strict performance of any covenant or condition of this
Agreement  shall not  prevent a  subsequent  act,  which  would have  originally
constituted a violation, from having the effect of any original violation.

         13.09 Rights and Remedies Cumulative.  The rights and remedies provided
by this  Agreement are  cumulative and the use of any one right or remedy by any
party shall not  preclude  or waive the right to use any or all other  remedies.
Said rights and  remedies  are given in addition to any other rights the parties
may have by law, statute, ordinance or otherwise.

         13.10  Severability.   If  any  provision  of  this  Agreement  or  the
application  thereof to any person or circumstance shall be invalid,  illegal or
unenforceable to any extent, the remainder of this Agreement and the application
thereof  shall not be affected and shall be  enforceable  to the fullest  extend
permitted by law.

         13.11 Heirs,  Successors  and Assigns.  Each and all of the  covenants,
terms provisions and agreements herein contained shall be binding upon and inure
to the  benefit  of the  partes  hereto  and,  to the  extent  permitted  by the
Agreement, their respective heirs, legal representative, successors and assigns.

         13.12 Creditors.  None of the provisions of this Agreement shall be for
the benefit of or enforceable by any creditors of the Company.



<PAGE>



         13.13  Counterparts.  This  Agreement may be executed in  counterparts,
each of which shall be deemed an original but all of which shall  constitute one
and the same instrument.

         IN WITNESS  WHEREOF,  the parties  have  executed  this  Agreement,  in
duplicate, as of the day and year first above written.




Initial Members & Manager:




- --------------------------------------
Kilyn Roth (Manager)




         IN WITNESS  WHEREOF,  the parties  have  executed  this  Agreement,  in
duplicate, as of the day and year first above written.




Initial Members & Manager:




- --------------------------------------
Kilyn Roth (Manager)



Initial Investor:




- -------------------------------------
World Wide Capital Investors, LLC









                                    EXHIBIT C

                            PURCHASE LETTER AGREEMENT


<PAGE>



                             World Wide Capital, Co.
                              Prentice Point Tower
            5299 DTC Boulevard, Suite 802 Greenwood Village, CO 80111
                        (303) 721-6292 Fax (303) 721-6390


                           Saturday, December 12, 1998


Mr. Lloyd L. Fields
425 Castle Place
Beverly Hills, CA 90210

Dear Lloyd:

This is to confirm the  purchase of  3,650,000  shares of common  stock of Vitro
Diagnostics,  Inc. by World Wide Capital,  Inc. This  transaction is pending the
expiration  at 5:00 P.M. on December  16,  1998 of your stock  option  agreement
dated 11/19/98.

The purchase price is $1 million net. The settlement  date is December 18, 1998.
Funds will be wired to a bank or financial institution of your choice.

If this  agreement  is not executed in whole by midnight  December 18, 1998,  it
will be null and void without penalty to any party.

Please sign this agreement and fax it back to me at (719) 942-3058.

EXECUTED BY:



- -------------------------------            -------------------------------------
Brett G. Brubaker                          Lloyd L. Fields
Partner







                                    EXHIBIT D

                            CLOSING AGREEMENT LETTER


<PAGE>


                   BROWNSTEIN HYATT FARBER & STRICKLAND, P.C.
                                ATTORNEYS AT LAW
                               TWENTY-SECOND FLOOR
                             410 SEVENTEENTH STREET
                             DENVER, COLORADO 80202
                                 (303) 534-6335
                                 (303) 523-1956

Adam J. Agron, Esq.                                            Washington Office
email: [email protected]                                 601 Pennsylvania Ave., NW
                                                                       Suite 800
                                                            Washington, DC 20004
                                                                  (202) 434-8377
                                                              FAX (202) 396-7854


                                December 23, 1998


VIA FACSIMILE (303-721-6390)

J.W. Roth
World Wide Capital, Co.
Prentice Point Tower
5299 DTC Boulevard, Suite 500
Greenwood Village, CO 80111

         Re: Vitro Diagnostics, Inc.

Dear Mr. Roth:

         This letter serves to confirm that Lloyd Fields has notified us that he
is in receipt of funds in the amount of $708,750.00 from World Wide Capital,  Co
in  connection  with the  above-referenced  matter.  Upon receipt of an executed
original  promissory note for $112,000.00 from World Wide Capital,  Co., we will
deliver to you stock  certificates and the respective stock powers for 3,150,000
shares of Vitro Diagnostics, Inc. common stock.

         Furthermore,  upon  payment  of full of the  $112,500.00  due under the
promissory note to Lloyd Fields,  we will deliver to you stock  certificates and
the  respective  stock  powers  for  the  remaining   500,000  shares  of  Vitro
Diagnostics, Inc. common stock.

         Please do not  hesitate to contact me should you have any  questions or
comments.

                                  Very truly yours,

                                  BROWNSTEIN HYATT FARBER
                                  & STRICKLAND, P.C.

                                  Adam J. Agron

cc: Lloyd L. Fields (w/ enclosure via facsimile).




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