Unit 2

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Across
  1. 3. the ending result
  2. 4. causes particles to move from a low concentration to a high
  3. 5. changes that occur
  4. 8. cells combined
  5. 9. molecule with a hydrophilic head and two hydrophobic tails
  6. 13. the energy needed to start a chemical reaction
  7. 15. hates water
  8. 16. likes water
  9. 17. special protein that makes up the organism's metabolism
  10. 18. reactant molecules
  11. 19. atoms combined
  12. 20. the system organs make up
  13. 21. the basic unit of life
  14. 22. the location where the chemical reaction takes place
Down
  1. 1. tissues combined
  2. 2. cause particles to move from high concentration to a low concentration
  3. 6. moving molecules across the membrane using energy with a transport protein
  4. 7. only certain molecules can leave and enter the cell
  5. 10. organ systems combined
  6. 11. the movement of molecules from a close space to space out using energy
  7. 12. basic unit of life
  8. 14. molecules combined