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': "True regarding aminoacyl t-RNA synthetase is A/E \nSelect and explain. \nA. lsoaccepting t RNA, B. Implement genetic code, C. Attachment of amino group to 5' end, D. Editing function", 'role': 'user'}, {'content': "Answer: C \nExplanation: C i.e. Attachment of amino group to 5' end", 'role': 'assistant'}]