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': 'Glucokinase is inhibited by: \nSelect and explain. \nA. ATP, B. ADP, C. Glucose 6 phosphate, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hexokinase is inhibited allosterically by its product, glucose 6-phosphate. Ref: Harper 28th edition, chapter 17.', 'role': 'assistant'}]