This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'In Apoptosis , cytochrome C acts through \nSelect and explain. \nA. Apaf1, B. Bcl-2, C. FADD, D. TNF', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ref, Robbins 8/e p29,9/e p55', 'role': 'assistant'}]