Epinephrine Binding To $\beta$ -Adrenergic Receptors on Hepatocytes Causes the Eventual Activation of Protein

question 100

Multiple Choice

Epinephrine binding to $\beta$ -adrenergic receptors on hepatocytes causes the eventual activation of protein kinase A. Which enzyme is NOT a substrate for protein kinase A?

• A) phosphorylase b
• B) phosphorylase b kinase
• C) glycogen synthase
• D) phosphofructokinase-2
• E) pyruvate kinase

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