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 does not posses both DNA and RNA? \nSelect and explain. \nA. Bacteria, B. Fungus, C. Virus, D. Spirochete', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. Virus', 'role': 'assistant'}]