This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'True about prions is \nSelect and explain. \nA. They are encoded by viral genome, B. Associated with misfolding of proteins, C. Non-Infectious, D. Immunogenic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]