This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Biochemistry
Ammonia is detoxified in brain by: 
Select and explain. 
A. Creatinine, B. Uric acid, C. Glutamine, D. Urea
C: Glutamine
Answer: C: Glutamine 
Explanation: The transpo form of Ammonia in blood and from Brain is Glutamine The answer is not glutamate because free ammonia is trapped by glutamine. Glutamate is formed transamination of amino acids, not from free ammonia.