20. Which of the following descriptions about the Michaelis-Menten rate equation is incorrect?
(A) Км measures the substrate concentration at which the reaction rate is V_max/2
(B) k_cat is the turnover number that measures the rate of the catalytic process
(C) The ratio k_cat/K_M is a convenient measure of enzyme efficiency
(D) A competitive inhibitor increases the apparent K_M.
(E)V_max = k_cat/K_M

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