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': 'HDL3 is conveed to HDL2 by: \nSelect and explain. \nA. CETP, B. LCAT, C. Both, D. PLTP', 'role': 'user'}, {'content': 'Answer: B \nExplanation: LCAT (Lecithin Cholesterol Acyl Transferase) conves nascent discoidal HDL into HDL-3 (spherical HDL). Fuher, HDL-3 is conveed to HDL-2 by LCAT.', 'role': 'assistant'}]