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': 'Which of the following has highest electrophoretic mobility and least lipid content: \nSelect and explain. \nA. Chylomicrons, B. HDL, C. LDL, D. VLDL', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. HDL', 'role': 'assistant'}]