This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure and function of protein, Subject name: Biochemistry
[{'content': 'In which of the following reactions magnesium is required \nSelect and explain. \nA. ATPase, B. Dismutase, C. Phosphatase, D. Aldolase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Magnesium is required for Carboxylase, phosphatase, transketolase, adenyl cyclase, ribonuclease and kinases Ref : Biochemistry by U. Satyanarayana 3rd edition Pgno : 410', 'role': 'assistant'}]