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': 'Which of the following is infectious protein - \nSelect and explain. \nA. Avidin, B. Prion, C. Tau protein, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Prion o Prions are infectious particle which contains protein onlyo They do not have nucleic acid.", 'role': 'assistant'}]