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: Unknown
The proapoptotic marker is - 
Select and explain. 
A. BCL-X, B. BAX, C. BCL-2, D. Mcl-1
B: BAX
Answer: B: BAX 
Explanation: Ans. is 'b' i.e., BAX Genes/proteins regulating apoptosisProapoptoticAntiapoptotico Apaf-1 (apoptosis activating factor-1)o BCL-2o Cytochrome Co BCL-Xo Bako Mcl-1o Baxo IAPso Bimo FLIPo AIF (apoptosis inducing factor) o P53 gene o Caspases o TNFRI o FAS (CD95) o FADD (Fas associated death domain) o BH3 only proteins (Bim, Bid, Bad) o Smac/DIABLO