Biochemistry The binding of epinephrine or glucagon to the corresponding membrane receptor has which of the following effects on glycogen metabolism? A The net synthesis of glycogen is increased. B Glycogen phosphorylase is activated, while glycogen synthase is inactivated. C Glycogen phosphorylase is inactivated, while glycogen synthase is activated. D Both glycogen synthase and phosphorylase are activated. 💡 Explanation The binding of epinephrine or glucagon to the corresponding membrane receptor has which of the following effects on glycogen metabolism? ✓ Correct Answer: B. Glycogen phosphorylase is activated, while glycogen synthase is inactivated.