This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lipoproteins, Subject name: Biochemistry
[{'content': 'Which is most potent HDL: \nSelect and explain. \nA. Pre-beta HDL, B. HDL-2, C. HDL-3, D. Discoidal HDL', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pre-beta HDL is the most potent HDL in making cholesterol from peripheral tissues. Pre b HDL : Lipid poor Most potent', 'role': 'assistant'}]