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Review questions Select the correct answer from A to D. 1. Enzymes are made of: A carbohydrates B vitamins C proteins D fats Which of the following does NOT affect the activity of an enzyme? A pH B temperature C the surface area of the reactants D light levels 3. Extracellular enzymes work: A outside of your cells B inside your cells C inside your mitochondria D only in your mouth TITI UNIT 3: Human biology and health 101​

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Answer:

1) C. Amino acids

2) C. Surface area of the reactants

3) A. Outside of your cells

Step-by-step explanation:

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