Claire Simon Unit 2

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Across
  1. 2. A combination of atoms
  2. 5. A combination of tissue
  3. 7. Special proteins that lower the initial amount of activation energy
  4. 9. A combination of molecules
  5. 11. A method of moving molecules across the membrane without using energy
  6. 14. Water fearing
  7. 16. The reactants that bind to the enzyme
  8. 18. Molecules naturally move apart
  9. 19. A combination of all organ systems
  10. 21. The place on an enzyme that a substrate binds to
  11. 22. The active site of an enzyme changes shape and can't bind to a substrate anymore
Down
  1. 1. The amount of energy needed to start a chemical reaction
  2. 3. The diffusion of water across a membrane
  3. 4. Only allows certain molecules in or out of the cell
  4. 6. Cells use energy to move molecules across the membrane though a transport protein
  5. 8. A molecule that contains 2 hydrophobic tails and 1 hydrophilic head (makes up the cell membrane)
  6. 10. A combination of organelles
  7. 12. Water loving
  8. 13. A combination of organs
  9. 15. The result of a chemical reaction
  10. 17. A combination of cells
  11. 20. The basic units of matter