This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Allosteric stimulator of glycogen synthase - \nSelect and explain. \nA. AMP, B. Insulin, C. Glucose-6-phosphate, D. Glucose', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Glucose-6-phosphate [Ref Harper 29th/e p. 182 & 28th/e p.", 'role': 'assistant'}]