This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Phospholipids, Glycolipids and their disorders, Subject name: Biochemistry
Which of the following phospholipid has antigenic acitivity - 
Select and explain. 
A. Plasma!ogen, 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 properties "o Cardiolipin is the major lipid of inner mitochondrial membrane.