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
[{'content': 'Which of the lipids lack fatty acid? \nSelect and explain. \nA. Glycerol, B. Waxes, C. Cholestrol, D. lipoprotein', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cholesterol and terpens lack fatty acid.', 'role': 'assistant'}]