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: Physiology
[{'content': 'Which impoant component of cell wall has carbohydrate moiety: \nSelect and explain. \nA. Phosphoglyceride, B. Triacylglycerol, C. Sphingomyelin, D. GM2 Gangliosides', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. GM2 GangliosidesGlycolipids are widely distributed paicularly in nervous tissue as brain. They occur paicularly in outer plasma membrane where they contribute to cell surface carbohydrateQ', 'role': 'assistant'}]