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
Amino acids secreted in cystinuria are all except 
Select and explain. 
A. Ornithine, B. Histidine, C. Arginine, D. Lysine
B: Histidine
Answer: B: Histidine 
Explanation: Amino acids excreted in cystinuria are (COLA): cysteine, ornithine, lysine, and arginine