1. A professional corporation shall have the powers enumerated in the general business and corporation law of Missouri, chapter 351; except that, a professional corporation may:
(1) Invest its funds in real estate, mortgages, stocks, bonds or any other type of investment, but only so long as that investment does not violate or is not inconsistent with subsection 2 of this section; and
(2) Be a promoter, general partner, stockholder, member, associate or manager only of a partnership, joint venture, professional corporation, foreign professional corporation, trust or other enterprise that is engaged only in:
(a) Rendering a professional service that is authorized to practice under its articles of incorporation; or
(b) Carrying on business permitted by the articles of incorporation of the professional corporation or in providing services ancillary thereto.
2. A professional corporation shall not engage in any profession or business other than the professions or businesses permitted by its articles of incorporation.