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': 'A vitamin B6 deficiency reduces the effectiveness of transaminase enzymes. Which amino acid is formed from transamination of a-ketoglutarate? \nSelect and explain. \nA. Glycine, B. Glutamine, C. Asparagine, D. Glutamate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Glutamate is formed from a-ketoglutarate by the enzymes aspaate aminotransferase and alanine aminotransferase.', 'role': 'assistant'}]