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 is not a phospholipid ? 
Select and explain. 
A. Lecithine, B. Plasmalogen, C. Cardiolipin, D. Ganglioside
D: Ganglioside
Answer: D: Ganglioside 
Explanation: Ans. is 'd' i.e., Ganglioside Phospholipids are : Glycerophospholipids (glycerol containing) :- Phosphatidylcholine (lecithin), phosphatidylethanolamine (cephaline), phosphatidylserine, phosphatidylinositol, plasmalogens, lysophospholipids, cardiolipin. Sphingophospholipids (sphingosine containing) :- Sphingomyeline