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': 'CD - 95 in apoptosis; the death receptors initiated through - \nSelect and explain. \nA. Induces apoptosis when it engaged by fas ligand system, B. Cytochrom C binds to a protein Apoptosis activating (Apaf -1) factor - 1, C. Apoptosis may be initiated by caspase activation, D. Apoptosis mediated through DNA damage', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Induces apoptosis when it engaged by fas ligand system", 'role': 'assistant'}]