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': 'Trypsin, Chymotrypsin & Elastases -What type of enzymes are they? \nSelect and explain. \nA. Hydrolases, B. Lyases, C. Synthases, D. Synthetases', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., HydrolasesAll digestive enzymes (trypsin, pepsin, elastase, chymotrypsin) are hydratases.", 'role': 'assistant'}]