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 lipids lack fatty acid? 
Select and explain. 
A. Glycerol, B. Waxes, C. Cholestrol, D. lipoprotein
C: Cholestrol
Answer: C: Cholestrol 
Explanation: Cholesterol and terpens lack fatty acid.