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: Pharmacology
[{'content': 'GLP - 1 is broken down by \nSelect and explain. \nA. α - glucosidase, B. Rasburicase, C. Dipeptidyl peptidase, D. Glucose 1 phosphatase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: GLP - 1 is a peptide hormone released from intestinal\xa0cells that act\xa0on\xa0β -\xa0 cells to release insulin. It is rapidly broken down by Dipeptidyl\xa0peptidase 4 (DPP - 4).', 'role': 'assistant'}]