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': 'Which of the following contains both DNA and RNA? \nSelect and explain. \nA. Plasmids, B. Bacteria, C. Prions, D. Viroids', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) i.e., bacteria Microbe - DNA RNA Protein Bacteria + + + Virus +1-- +/-- Prion Fungi + Parasites Plasmids + -- Viroids Viroids: Plant pathogens that consists of sho, strech of circular single/double standed RNA.', 'role': 'assistant'}]