Unit 2 Allison Pierron

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Across
  1. 4. the minimum energy required for a reaction to occur
  2. 6. the diffusion of water across the membrane
  3. 8. third level of organization
  4. 10. the second main part to a chemical reaction
  5. 13. when the active site of the enzyme changes shape and can no longer bind to the substrate
  6. 16. A molecule containing on hydrophilic (water loving) head and two hydrophobic (water fearing) tails
  7. 17. seventh level of organization
  8. 21. occurs when cells spend energy to move molecules across the membrane through a transport protein
  9. 22. allowing some molecules through while blocking others
Down
  1. 1. a molecule that an enzyme reacts with
  2. 2. molecules naturally move from being spaced out
  3. 3. speeds up the rate of chemical reactions
  4. 5. a method of moving molecules across the membrane that does not require the cell to spend any energy
  5. 7. fourth level of organization
  6. 9. the special region on an enzyme
  7. 11. water fearing
  8. 12. eighth level of organization
  9. 14. water loving
  10. 15. fifth level of organization
  11. 18. second level of organization
  12. 19. first level of organization
  13. 20. sixth level of organization