Which statement concerning phosphorylase is FALSE?
A) The active enzyme catalyzes the reaction: (glucose) n + Pi -> (glucose) n-1 + Glucose-1-P
B) The enzyme is activated by phosphorylation.
C) Phosphorylation of phosphorylase in muscle is controlled by glucagon.
D) The phosphorylation of phosphorylase is catalyzed by a protein kinase.
E) The phosphorylation of phosphorylase increases at higher concentrations of cAMP
Correct Answer:
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B)
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