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: Biochemistry
[{'content': "Which enzyme involved in translation is often referred to as 'Fidelity enzyme' \nSelect and explain. \nA. DNA polymeraes, B. RNA polymeraes, C. Amino acyl t-RNA synthetase, D. Amino acyl-reductase", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]