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': 'In which of the following reactions is magnesium required \nSelect and explain. \nA. ATPase, B. Dismutase, C. Phosphatase, D. Aldolase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Magnesium is required for kinases (e.g. hexokinase, PFK, creatine kinase),phosphatases (glucose-6-phosphatase), enolase.', 'role': 'assistant'}]