5. Which of the following descriptions about "regulating of enzyme activity in metabolism" is INCORRECT?
(A) Allosteric regulation is the term used to describe any case in which a protein’s function at one site is affected by the
binding of a regulatory molecule to a separate site.
(B) An activating or inhibiting regulatory molecule binds to a regulatory site that is the simplest kind of allosteric
regulation.
(C) Feedback inhibition is a common mode of metabolic control.
(D) Cooperativity is a type of enzyme activation, not including inhibition.
(E) Cooperativity is the binding of one substrate molecule that can stimulate binding or activity at other active sites.
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