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: Microbiology
[{'content': 'An autoclave sterilizes dental instruments by causing which of the following? \nSelect and explain. \nA. Coagulation and Denaturation of proteins., B. Oxidative damage., C. Precipitation of nucleic acids., D. Disruption of cell membranes.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Autoclave\xa0functions by causing coagulation and denaturation of\xa0proteins. They are effective against spores.', 'role': 'assistant'}]