This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'All of the following are regulating enzymes of glycolysis, except \nSelect and explain. \nA. Hexokinase, B. Pyruvate kinase, C. Enolase, D. Phosphofructokinase I', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All three except enolase are regulatory enzymes of the glycolytic pathway.Ref: DM Vasudevan, 7th edition, page no: 108', 'role': 'assistant'}]