This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
The amino acid which is associated with atherosclerosis is 
Select and explain. 
A. Lysine, B. Homocysteine, C. Cysteine, D. Alanine
B: Homocysteine
Answer: B: Homocysteine 
Explanation: Ref Harrison 19 th ed pg 1579 There is a strong positive correlation between atherosclerosis and circulating levels of homocysteine.