This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'Peptidyl transferase is a/an \nSelect and explain. \nA. Enzyme, B. Catalyst, C. Ribozyme, D. Elongation factor', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The Peptidyl transferase is an aminoacyltransferase (EC 2.3.2.12) as well as the primary enzymatic function of the ribosome, which forms peptide bonds between adjacent amino acids using tRNAs during the translation process of protein biosynthesis.', 'role': 'assistant'}]