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': 'Polypeptide chain termination is enhanced by \nSelect and explain. \nA. Stop codon, B. Peptidyl transferase, C. UAA, D. All of these', 'role': 'user'}, {'content': "Answer: D \nExplanation: Termination requires stop codon (UAA, UAG, UGA) and releasing factors .\nPeptidyl transferase is also required which along with releasing factor hydrolyses peptide bond between tRNA at 'P' site and promotes the release of a newly synthesized polypeptide chain from ‘P’ site.", 'role': 'assistant'}]