問題詳情
82. Which of these statements about enzyme-catalyzed reactions is false?
(A) The Vmax of a reaction can be attained at saturated concentration of substrate, even in the presence of a competitiveinhibitor.
(B) At saturating levels of substrate, the rate of an enzyme-catalyzed reaction is proportional to the enzyme concentration.
(C) The rate of a reaction decreases steadily with time as substrate is depleted.
(D) The Michaelis-Menten constant Km equals the [S] at which v = 1/2 Vmax.
(E) The activation energy for the catalyzed reaction is the same as for the uncatalyzed reaction, but the equilibrium constant ismore favorable in the enzyme-catalyzed reaction.
(A) The Vmax of a reaction can be attained at saturated concentration of substrate, even in the presence of a competitiveinhibitor.
(B) At saturating levels of substrate, the rate of an enzyme-catalyzed reaction is proportional to the enzyme concentration.
(C) The rate of a reaction decreases steadily with time as substrate is depleted.
(D) The Michaelis-Menten constant Km equals the [S] at which v = 1/2 Vmax.
(E) The activation energy for the catalyzed reaction is the same as for the uncatalyzed reaction, but the equilibrium constant ismore favorable in the enzyme-catalyzed reaction.
參考答案
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