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': 'proteins Pyridoxine is involved in ? \nSelect and explain. \nA. Carboxylation, B. Trans-sulfuration, C. Oxidation-reduction, D. Transketolation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Trans-sulfuration Pyridoxine is involved in transamination, deamination, decarboxylation, condensation and trans-sulfuration.", 'role': 'assistant'}]