35. Which carbons are released first as $\mathrm{CO}_{2}$ in the metabolism of glucose to $\mathrm{CO}_{2}$? (A) carbons 1 and 2 (B) carbons 3 and 4 (C) carbons 5 and 6 (D) carbons 1 and 6 (E) none of the above.

4. Which of the following descriptions about the Michaelis-Menten rate equation is incorrect ? (A) KM measures the substrate concentration at which the reaction rate is Vmax/2 (B) kcat is the turnover number that measures the rate of the catalytic process (C) The ratio kcat/KM is a convenient measure of enzyme efficiency (D) kcat = Vmax/[Enz] (E) A competitive inhibitor decreases the apparent KM.

35. Which carbons are released first as $\mathrm{CO}_{2}$ in the metabolism of glucose to $\mathrm{CO}_{2}$?
(A) carbons 1 and 2
(B) carbons 3 and 4
(C) carbons 5 and 6
(D) carbons 1 and 6
(E) none of the above.

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