All of the following statements are true about cyclic AMP-dependent protein kinase EXCEPT which one?
A) It is composed of a cyclic AMP binding protein dimer and 2 catalytic subunits.
B) It principally catalyzes the phosphorylation of tyrosine residues on proteins.
C) It catalyzes the conversion of inactive phosphorylase kinase to active phosphorylase kinase.
D) It activates hormone-sensitive lipase.
E) It inhibits glycogen synthase.

Question

Quizplus · Accepted Answer

Cyclic AMP-dependent protein kinase principally catalyzes the phosphorylation of serine and threonine residues on proteins, not tyrosine residues, as stated in option B. The other options are all true.

All of the Following Statements Are True About Cyclic AMP-Dependent