Enzymes Crossword Puzzle

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Across
  1. 3. an enzyme that has a damaged active site; can no longer catalyze chemical reactions
  2. 5. the part of the enzyme that the reactants bind to
  3. 6. reactions that use energy to combine smaller molecules into bigger molecules
  4. 7. molecules that speed up chemical reactions by lowering the activation energy needed for a chemical reaction to occur
  5. 9. the enzyme-substrate _____________ is the combination of the enzyme and the substrate when they're bound together
  6. 12. the word to describe the ideal temperature or pH for an enzyme
  7. 13. the amount of energy needed to start a chemical reaction
  8. 14. the starting materials in a chemical reaction
  9. 15. biological catalysts
Down
  1. 1. the _______ of reaction is how fast or how well an enzyme works
  2. 2. reactions that break down big molecules into smaller molecules, releasing energy
  3. 4. all of the chemical reactions in a cell or organism
  4. 8. one of the two conditions that affect an enzyme's rate of reaction
  5. 10. one of the two conditions that affect an enzyme's rate of reaction
  6. 11. the starting materials in a chemical reaction
  7. 16. the reactants that bind to the active site