25. Regarding to inhibition mechanisms, which statement below is correct?
(A) If the inhibitor binds to the active site, it is a competitive inhibitor.
(B) If the inhibitor binds to the enzyme/substrate complex only, it is an uncompetitive inhibitor.
(C) If the inhibitor binds to the free enzyme as well as the enzyme/substrate complex, it is a noncompetitive
inhibitor.
(D) All of the above.