This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
[{'content': 'True about ribozyme \nSelect and explain. \nA. Peptidayl transferase activity, B. Cuts DNA at specific sites, C. Paicipate in DNA synthesis, D. GTPase activity', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ribozymes are enzymes made up of RNA. Peptidyl transferase present in ribosomes is an example of ribozyme. They are catalytic RNA molecules with sequence-specific cleavage activity.Ref: DM Vasudevan - Textbook of Biochemistry for Medical Students, 7th edition, page no: 592', 'role': 'assistant'}]