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
The intrinsic apoptotic pathway is located in which of the following cellular organelle? 
Select and explain. 
A. Endoplasmic reticulum, B. Golgi apparatus, C. Mitochondria, D. Cell membrane
C: Mitochondria
Answer: C: Mitochondria 
Explanation: Mitochondria are remarkable organelles in that they contain proteins such as cytochrome c that are essential for life, but some of the same proteins, when released into the cytoplasm (an indication that the cell is not healthy), initiates the suicide program of apoptosis. Ref: Robbins 8th edition, Chapter 1