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
HDL3 is conveed to HDL2 by: 
Select and explain. 
A. CETP, B. LCAT, C. Both, D. PLTP
B: LCAT
Answer: B: LCAT 
Explanation: LCAT (Lecithin Cholesterol Acyl Transferase) conves nascent discoidal HDL into HDL-3 (spherical HDL). Fuher, HDL-3 is conveed to HDL-2 by LCAT.