Practice Quiz

MCAT Biology

Category - Biology

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Which of the following best explains why enzymes are necessary for many cellular reactions?
  1. Enzymes supply the oxygen necessary for the reactions.
  2. Enzymes change reactants from solid to liquid during
    the reactions.
  3. The reactions take up too much space in the cell if enzymes are missing.
  4. The reactions are too slow to meet the needs of the cell if enzymes are missing.
Explanation
Answer: D - The reactions are too slow to meet the needs of the cell if enzymes are missing.
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