16. All are structural and functional advantages to quaternary structure EXCEPT: (A)cooperativity. (B) stability. (C)bringing catalytic sites together.(D) genetic economy and efficiency.(E) all are true.

3. All of the following functions of an enzyme are true EXCEPT:(A) Enzymes help to catalyze virtually every metabolic reaction.(B) Enzymes mediate the rates of cellular reaction in proportion to cellular requirements.(C) Enzymes are sensitive to temperature, pH, and concentration changes.(D) An increased activity of an enzyme increases the amount of energy produced.(E) Enzymes are used as a catalyst to increase reaction rates many orders of magnitude.

16. All are structural and functional advantages to quaternary structure EXCEPT:
(A)cooperativity.
(B) stability.
(C)bringing catalytic sites together.
(D) genetic economy and efficiency.
(E) all are true.

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