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: Psychiatry
[{'content': "Amyloid pressure protein is cleaved by ______ and ________ in Alzheimer's disease \nSelect and explain. \nA. α secretase , γ  secretase, B. α secretase ,  β secretase, C. β secretase ,  γ secretase, D. β secretase , α  secretase", 'role': 'user'}, {'content': "Answer: C \nExplanation: Amyloid precersor protein(APP) is normaly cleaved by\xa0α\xa0and\xa0\xa0β secretases.\nIn Alzeihmer's disease it is cleaved by\xa0\xa0β and\xa0γ secretases and forms AB peptide that deposit to form senile plaques.", 'role': 'assistant'}]