This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'DNA proof reading and repair is done by \nSelect and explain. \nA. DNA polymerase, B. DNA ligase, C. DNA gyrase, D. DNA primase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: DNA Polymerases Ecoli Eukaryotic Function I Gap filling following DNA replication, repair, and recombination II DNA proofreading and repair b DNA repair g Mitochondrial DNA synthesis III e Processive, leading strand synthesis a Primase d Processive, lagging strand synthesis Harper30e pg: 383', 'role': 'assistant'}]