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': 'In translation process, proof reading of mRNA is done by: \nSelect and explain. \nA. RNA polymerase, B. Aminoacyl tRNA synthetase, C. Leucine zipper, D. DNA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Amino acyl tRNA synthetase which recognises the specific tRNA is a proof reading mechanism.\nReference- Harper 30th edition Pg- 415', 'role': 'assistant'}]