AICE Bio Chapter 3 Crossword Puzzle

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Across
  1. 4. The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening.
  2. 6. The maximum rate of reaction when the enzyme is saturated with substrate.
  3. 8. The intermediate formed when a substrate interacts with the active site of an enzyme.
  4. 9. To alter the structure of a protein by breaking bonds.
  5. 10. The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration.
  6. 12. Instantaneous rate of reaction at the start and first few seconds of the reaction.
  7. 13. The substance on which an enzyme acts.
  8. 15. Operating outside of the cell.
  9. 16. The reaction product inhibits the enzyme activity.
  10. 17. Operating within the cell.
  11. 19. A region on an enzyme that binds to a protein or other substance during a reaction.
  12. 20. Something which prevents an enzyme from working in the normal manner.
Down
  1. 1. An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions.
  2. 2. The concentration of substrate required to reach 1/2 Vmax. It is a reflection of the affinity of an enzyme for its substrate.
  3. 3. A molecule which speeds up a chemical reaction.
  4. 5. What is left after the enzyme binds with the substrate.
  5. 7. The minimum energy required to allow a certain chemical reaction to occur.
  6. 11. A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
  7. 14. The binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity.
  8. 18. The active site of an enzyme has a specific shape that only allows a specific substrate molecule to fit.