This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanisms of Enzyme Action, Subject name: Biochemistry
[{'content': 'Digestive enzymes are - \nSelect and explain. \nA. Hydrolases, B. Oxidoreductases, C. Dehydrogenases, D. Ligases', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Hydrolases {Ref: Harper's 29th/ep. 518-19]o All digestive enzymes are hydrolases.", 'role': 'assistant'}]