This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of lipid, Subject name: Biochemistry
[{'content': 'LCAT activates \nSelect and explain. \nA. Apo A1, B. Apo B100, C. Apo C-2, D. Apo C-3', 'role': 'user'}, {'content': "Answer: A \nExplanation: Lipoproteins classes as per apoprotein contents Families: LP A Apolipoproteins: A-I and A-II Density class: HDL Mol. wt. range: 17000 to 28000 Function: LCAT activator, 'Scavenger'Ref: Textbook of Medical Biochemistry, Eighth Edition, Dr (Brig) MN Chatterjea, page no:445, Table 25.11", 'role': 'assistant'}]