The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which is the ligand for receptors present in liver for uptake of LDL?   (A) Apo B-100   (B) Apo B-48   (C) Apo E and Apo B-100   (D) Apo A-I
['(A) Apo B-100 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Apo B-100 \n (B) Apo B-48 \n (C) Apo E and Apo B-100 \n (D) Apo A-I <> possible answers', '  Which is the ligand for receptors present in liver for uptake of LDL? <> context@']