The key enzyme in glycogen degradation is:
A) glycogen phosphatase.
B) glycogen phosphorylase.
C) glucose 1-phosphate synthase.
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

Glycogen phosphorylase is the key enzyme in glycogen degradation as it catalyzes the release of glucose units from the non-reducing ends of glycogen molecules. Glycogen phosphatase and glucose 1-phosphate synthase are involved in other steps of glycogen metabolism.

The Key Enzyme in Glycogen Degradation Is