Which of the following is true about Isoenzymes (  )A:It can catalyze the same chemical reaction B:generally, it is an oligoenzyme C:It can exist in different tissues of the same individual D:It has different physical and chemical properties 答案: It can catalyze the same chemical reaction;generally, it is an oligoenzyme;It can exist in different tissues of the same individual;It has different physical and chemical properties