Enzymes - Online MCQs Test - Biology 9th

14 online multiple choice questions from chapter : 6 'enzymes' for class 9th, ix, ninth (sindh board / science group)

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All are characters of enzymes except:

1. Enzymes speed up a biochemical reaction
2. Enzyme portion where substrate attach called active site
3. Enzymes activity enhanced by inhibitors
4. Enzymes are sensitive to minor change in pH