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': 'Insulin acts on which enzyme during glycolysis? \nSelect and explain. \nA. Glucokinase, B. Hexokinase, C. Glucose-6-phosphatase, D. Adenylate kinase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In glycolysis, insulin acts on hexokinase IV (i e. glucokinase) and hexokinase II, but not on other (I & III) hexokinase.', 'role': 'assistant'}]