Which Statement Concerning Phosphorylase Is FALSE

Multiple Choice

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