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: Unknown
[{'content': 'True statement regarding base excision repair is ? \nSelect and explain. \nA. Used only for the bases which are deaminated, B. Uses enzyme called as DNA glycosylase which generate abasic suger site, C. Removes about 10 – 15 nucleotide, D. Recognizes a bulk lesion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - This is the first step of base excision repair. Bases modified by deamination, methylation, or by other chemical modification are removed by this kind of repair system.', 'role': 'assistant'}]