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': 'All are true regarding activation of trypsin, EXCEPT: \nSelect and explain. \nA. Enterokinase helps in the activation, B. Activated autocatalytically by trypsin, C. It takes place in the small intestine, D. Mg is also required', 'role': 'user'}, {'content': "Answer: D \nExplanation: Trypsin is a proteolytic enzyme, secreted by the pancreas. It is secreted in the inactive form trypsinogen. It is activated to the active form, trypsin in the small intestine. Its activation is brought about by enterokinase, autocatalytically by trypsin and calcium is also required. Ref: Ganong's Review of Medical Physiology, 22nd Edition, Page 468", 'role': 'assistant'}]