This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, 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., Hydrolases* Trypsin, Chymotrypsin and Elastase are endopeptidases secreted by Pancreas* Trypsin acts at Lys - X or Arg - X linkage* Chymotrypsin acts at Aro - X linkage* Elastase acts on Ali - X linkage* All these break a peptide linkage by adding water. Hence they are hydrolases", 'role': 'assistant'}]