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: Biochemistry
Which of the following is the radiosensitive stage of cell cycle? 
Select and explain. 
A. GO, B. G1, C. G2, D. S
C: G2
Answer: C: G2 
Explanation: Irradiation of cells may not only lead to cell death but to other changes as well.Radiation has been shown to alter a cell's progression through the cell cycle.The delay occurs at paicular points in the cell cycle, such as early G2 and the G1/S interface.Multiple factors affect this kinetic alteration, including the radiation dose, dose rate, and cell type. The cell's position in the cell cycle is a factor also