This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanisms of Enzyme Action, Subject name: Biochemistry
[{'content': 'The vitamin used for transamination is : \nSelect and explain. \nA. Pyridoxal phosphate, B. Riboflavin, C. Thiamine, D. Cyanocobalamine.', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Pyridoxal phosphate : Transaminationis a reversible reaction in which Alpha - NH2 group of one amino acid is transferred to a Alpha - Keto acid resulting in formation of a new amino acid and a new keto acid. Enzyme - is Transaminases Coenzyme - Pyridoxal phosphate", 'role': 'assistant'}]