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': 'Function of reverse transcriptase: \nSelect and explain. \nA. RNA dependent DNA synthesis, B. DNA dependent RNA synthesis, C. DNA dependent DNA synthesis, D. RNA dependent RNA synthesis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. RNA dependent DNA synthesis', 'role': 'assistant'}]