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: Physiology
[{'content': 'Which enzyme is not released as a proenzyme \nSelect and explain. \nA. Elastase, B. Trypsin, C. Amylase, D. Chymotrypsin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Proenzyme of \n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Elastase- Proelastase\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Trypsin- Trypsinogen\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Chymotrypsin- Chymotrypsinogen', 'role': 'assistant'}]