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
[{'content': 'Ammonia is detoxified in brain to : \nSelect and explain. \nA. Urea, B. Glutamine, C. GABA, D. Uric acid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Glutamine is the sole form of transpo of ammonia in brain.Glutamine is an amide of glutamic acid which is formed from alpha - ketoglutarate. (Product of TCA cycle).In metabolic alkalosis, there is decreased ammonia excretion in urine.', 'role': 'assistant'}]