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': 'Nucleic acid is not found in \nSelect and explain. \nA. Virus, B. bacteria, C. Fungus, D. Prions', 'role': 'user'}, {'content': 'Answer: D \nExplanation: o Prions are infectious particle which contains protein only\no They do not have nucleic acid. Prions have been defined as\n- Small proteinaceous infectious particle which resist inactivation by procedures that modify nucleic acids', 'role': 'assistant'}]