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6. Enzymes....

  • Prolong the length of a reaction
  • Speed up a reaction
  • Slow down the rate of a reaction without getting used up in the process
  • Speed up the rate of a reaction without getting used up in the process
  • Are made from starch

7. A catabolic enzyme builds proteins up.

  • False
  • True

8. Without enzymes, reactions in the body would take so long we would all die.

  • True
  • False

9. What is the optimum pH of peptin which operates in the stomach

  • Acidic
  • Neutral
  • Alkaline

10. At extremes of pH and temperature, enzymes

  • React slower
  • Denature
  • React faster
  • Die