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
CD-95 has a major role in - 
Select and explain. 
A. Apoptosis, B. Cell necrosis, C. Interferon activation, D. Proteolysis
A: Apoptosis
Answer: A: Apoptosis 
Explanation: Ans. is 'a' i.e., Apoptosis Function of Human Leucocyte surface antigen CD-95 is to mediate apoptosis.