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

question 28

Multiple Choice

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.

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