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Name: ___________________________________________ENZYME HOMEWORK 1. What are enzymes made of? (circle correct answer) Lipids Proteins Carbohydrates Nucleic acids 2. Label the diagram: Word bank: Substrate Enzyme Active Site Products 3. Use the diagram to answer the question A process that occurs in the human body is shown in the diagram. What would happen if a temperature change caused the shape of the active site to be altered? A. The dipeptide would digest faster. B. The dipeptide would digest slower or not at all. C. The amino acids would combine faster. 4. Use the graph below to answer the questions. What is the optimal pH for Intestinal Protease? _____ What is the optimal pH for Gastric Protease? _______ Which enzyme works best in a very acidic environment? (Circle your answer) Gastric Protease Intestinal Protease 5. Use the graphs below to answer the question. Which statement best describes the enzyme represented in the graphs? A. This enzyme works best at a temperature of 35°C and a pH of 8. B. This enzyme works best at a temperature of 50°C and a pH of 12. C. Temperature and pH have no effect on the action of this enzyme. D. This enzyme works best at a temperature above 50°C and a pH above 12. 6. What enzyme would break down: Lactose: ________________________ Sucrose: ___________________________