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.

Question

Quizplus · Accepted Answer

Isoenzymes, or isozymes, are variants of enzymes that catalyze the same reaction but may differ in their kinetic properties, regulatory properties, or amino acid sequences, allowing for fine-tuned regulation and adaptation to different physiological conditions or tissues.

Isoenzymes Are