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': 'Prion structure contains primarily - \nSelect and explain. \nA. Protein, B. DNA, C. RNA, D. Both DNA 8c RNA', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Protein * Prions are infectious particle which contains protein only.* They do not have nucleic acid.Prions have been defined as -Small proteinaceous infectious particle which resist inactivation by procedures that modify nucleic acids.", 'role': 'assistant'}]