This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glycolysis, Subject name: Biochemistry
[{'content': 'In Glycolysis which of the ion is most impoant? \nSelect and explain. \nA. Zn, B. Mg, C. Cu, D. Ca', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Mg is most impoant for kinases. There are four kinases hexokinase, phospho fructo kinase, phospho glycerate kinase pyruvate kinase But pyruvate kinase requires K>Mg', 'role': 'assistant'}]