The Active Site of an Enzyme Is the Part That

Multiple Choice

The active site of an enzyme is the part that

A) temporarily combines with the eventual product of an enzyme-catalyzed reaction.
B) temporarily combines with a specific part of the substrate,forming an enzyme-substrate complex.
C) temporarily combines with a specific part of another enzyme molecule to speed up an enzyme-catalyzed reaction.
D) helps to slow down an enzyme-catalyzed reaction.
E) must be frequently replaced.