This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Prions are killed by - \nSelect and explain. \nA. Autoclave, B. Ethylene dioxide, C. Gamma radiation, D. Autoclave and NaOH', 'role': 'user'}, {'content': "Answer: D \nExplanation: Prions are killed by autoclave. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:557", 'role': 'assistant'}]