This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
In chylomicrons, the Principle Apo-protein is: 
Select and explain. 
A. Apo A-I, B. Apo A-II, C. Apo B-100, D. Apo B-48
D: Apo B-48
Answer: D: Apo B-48 
Explanation: Apo B-48