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': 'Which of the following is false regarding isoenzymes? \nSelect and explain. \nA. They differ in tissue localization, B. Catalyze the same reaction, C. Can be supported by electrophoresis, D. Isoenzymes have same Km values.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Each isoenzyme has varying affinity towards substrate and hence different Km values.', 'role': 'assistant'}]