This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Major constitute of nerve cell membrane: \nSelect and explain. \nA. Cholesterol, B. Carbohydrates, C. Proteins, D. Lipid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Normally proteins are major component of the cell membrane But in nerve cells lipids are more than proteins', 'role': 'assistant'}]