This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Biochemistry
[{'content': 'insulin decreases the activity of: \nSelect and explain. \nA. c-AMP dependent protein kinase, B. HMG CoA-reductase, C. Phosphodiesterase, D. Acetyl CoA-carboxylase', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. A. c-AMP dependent protein kinaseInsulin is a hypoglycemic hormone and is released in hyperglycemia. It helps in the uptake of glucose by the cells thus promoting glycogenesis and inhibiting glycogenolysis. It increases the activity of Phospho diesterase thus decreasing the activity of c-AMP.ATP-c-AMP-3'-5'AMP", 'role': 'assistant'}]