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: Radiology
[{'content': 'Most Radio sensitive stage – \nSelect and explain. \nA. S phase, B. G1phase, C. G2 phase, D. G2M phase', 'role': 'user'}, {'content': "Answer: D \nExplanation: Most sensitive phase of cell cycle\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0→\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 G2M\xa0interphase\nMost resistant phase of cell cycle \xa0 \xa0 \xa0 \xa0 \xa0 \xa0→\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Late ' S ' phase", 'role': 'assistant'}]