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: Pathology
[{'content': 'The following statements are true about Tumour Suppressor Gene p53 except - \nSelect and explain. \nA. It regulates cetain genes involved in cell cycle regulation, B. Its increased levels can induce apoptosis, C. Its activity in the cells decreases following UV irradiation and stimulates cell cycle, D. Mutations of the p53 gene are the most common genetic alteration seen in human cancer', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Its activity in the cells decreases following UV irradiation and stimulates cell cycle", 'role': 'assistant'}]