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
Apoptosis is initiated by 
Select and explain. 
A. Caspases, B. DNA, C. Antibodies, D. RAS Kinase
A: Caspases
Answer: A: Caspases 
Explanation: . Caspases