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': 'Fidelity of protein translation depends on \nSelect and explain. \nA. RNA polymeraes, B. DNA polymeraes, C. M-RNA polymeraes, D. Amino acyl t-RNA synthetase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In translation, proof reading of mRNA is done by Amino acyl- tRNA synthetase. Amino acyl t-RNA synthetase is responsible for fidelity (faithfulness) of protein translation.', 'role': 'assistant'}]