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
Alcohol present in ceramide is: 
Select and explain. 
A. Glycerol, B. Sphingosine, C. Ethanol, D. Methanol
B: Sphingosine
Answer: B: Sphingosine 
Explanation: No glycerol is present. The combination of sphingosine plus fatty acid is known as ceramide, a structure also found in the glycosphingolipids Ref: Harper 28th edition, chapter 16.