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: Biochemistry
Which of the following phospholipid has antigenic acitivity ? 
Select and explain. 
A. Plasmalogen, B. Cardiolipin, C. Phosphatidylcholine, D. Sphingomyelin
B: Cardiolipin
Answer: B: Cardiolipin 
Explanation: Ans. is 'b i.e., Cardiolipin Cardiolipin is the only human glycerophospholipid that possess antigenic propeies" Cardiolipin is the major lipid of inner mitochondrial membrane.