This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of lipid, Subject name: Biochemistry
[{'content': 'Phospholipids are \nSelect and explain. \nA. Simple lipids, B. Derived lipids, C. Compound lipids, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: They are fatty acids esterified with alcohol but in addition, they contain other groups Phospholipids containing phosphoric acidRef: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 83', 'role': 'assistant'}]