This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urea cycle, Subject name: Biochemistry
[{'content': 'Which amino acid is regarded as collector of amino groups? \nSelect and explain. \nA. Aspaate, B. Arginine, C. Cysteine, D. Glutamate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: First step in catabolism of amino acids is the transfer of NH3 group from amino acid to Alpha Keto- Glutarate forming Glutamate- known as Transamination. So Glutamate is regarded as collector of amino groups. Note:-The safe non-toxic form of ammonia transpo in blood from most body tissues is Glutamine. Collector is Glutamate, transpoer is Glutamine', 'role': 'assistant'}]