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 does not possess both DNA & RNA - \nSelect and explain. \nA. Bacteria, B. Fungus, C. Virus, D. Spirochete', 'role': 'user'}, {'content': "Answer: C \nExplanation: Viruses contain only one type of nucleic acid,either DNA or RNA,but never both REF:ANANTHANARAYANAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 8TH EDITION PAGE NO:427", 'role': 'assistant'}]