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': 'Function of cholesterol in plasma membrane: \nSelect and explain. \nA. Helps in transpo of ions, B. Helps in exocytosis, C. Maintains fluidity, D. Helps in synthesis of bile salts', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cholesterol maintains the fluidity of the membrane', 'role': 'assistant'}]