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
[{'content': 'Ammonia is detoxified in brain by: \nSelect and explain. \nA. Creatinine, B. Uric acid, C. Glutamine, D. Urea', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 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.', 'role': 'assistant'}]