This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cellular Pathology, Subject name: Pathology
The following is a pro-apoptic factor 
Select and explain. 
A. Bax, B. Bcl-2, C. Bcl-xL, D. Mci-1
A: Bax
Answer: A: Bax 
Explanation: Ans. (a) Bax (Ref: Robbins 9th/pg 55; 8th/pg 28)Proapoptotic: Apafl, cytochrome c, Bak, Bax, Bim, AIF, P53, Caspases, CD95 (FAS), TNF R1 and Smac/DiabloAntiapoptotic: Bcl2,BclxL ,Bclx ,FLIP,McL-1,IAP