This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Caspase are involved in 
Select and explain. 
A. Nerve processing, B. Cell signaling, C. Inflammation, D. Apoptosis
D: Apoptosis
Answer: D: Apoptosis 
Explanation: The activation of the caspase cascade is the most central step in apoptosis.