This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Biochemistry
Apolipoprotein activating L- CAT (LQ) 
Select and explain. 
A. B - 48, B. A - I, C. A- II, D. B-100
B: A - I
Answer: B: A - I 
Explanation: A-1 is the integral apoprotein of HDL.LCAT binds to discoidal HDl activated by A1 conves discoidal HDL to HDl 3