試題詳解

21. Which of the following statements regarding "competitive inhibition" is NOT correct?
(A) A competitive inhibitor binds tightly to the active site of an enzyme.
(B) V_max of a reaction is NOT affected by competitive inhibitors.
(C)"V_max/K_M" becomes smaller in the presence of competitive inhibitors.
(D)Competitive inhibitors do not bind to the ES (enzyme-substrate) complex.
(E)Many drugs are competitive inhibitors.