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': 'The hydrolytic step leading to release of polypeptide chain from ribosomes in catalysed by: \nSelect and explain. \nA. Stop codons, B. Pepitidyl transferase, C. AUG codon, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Peptidyl transferase;', 'role': 'assistant'}]