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': 'Non polar lipid act as \nSelect and explain. \nA. Electrical insulators, B. Ions, C. Non electrical insulators, D. Electrolytes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]