This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Microbiology
[{'content': 'Glassware is sterilized in hot air over at what temperature - \nSelect and explain. \nA. 70degC for 30 minutes, B. 50degC for 1 hour, C. 121 degC for 15 minutes, D. 160degC for 45 minutes', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 160degC for 45 minutes MethodTemperature (degC)Holding time (in minutes)Autoclave12115 12610 1343Hot air oven16045 17018 1807.5 1901.5", 'role': 'assistant'}]