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': 'Gluconic acid formation requires which enzyme ? \nSelect and explain. \nA. Glucose oxidase, B. Glucose dehydrogenase, C. Glucokinase, D. Glucose dehydratase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Glucose oxidase', 'role': 'assistant'}]