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': 'Central organ in apoptosis is \nSelect and explain. \nA. Mitochondria, B. Nucleus, C. Endoplasmic Reticulum, D. Golgi body', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . Mitochondria', 'role': 'assistant'}]