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
The amino acid which undergoes most significant hepatic oxidative deamination which is used for urea synthesis is 
Select and explain. 
A. Glutamine, B. Glutamate, C. Aspartate, D. Arginine
B: Glutamate
Answer: B: Glutamate 
Explanation: None