Isoenzymes Are

Multiple Choice

Isoenzymes are

A) proteolytic enzymes which are activated by the hydrolysis of a part of the peptide chain.
B) proteins without enzymatic activity which are necessary to activate enzyme proteins.
C) enzymes containing identical amino acid compositions and sequences but which catalyzed different reaction.
D) different enzymes which catalyze the same reaction.
E) enzymes which catalyze several different reactions.