Unit Two Review

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Across
  1. 3. molecules combine
  2. 4. does not like water
  3. 5. allows certain molecules in or out of a cell
  4. 7. end result of reactant and enzyme
  5. 9. cells combine
  6. 11. molecules naturally move from areas where they are higher in concentrated
  7. 14. protein
  8. 16. diffusion in matter
  9. 17. occurs when cells spend energy to move molecules
  10. 18. organ systems combine
  11. 19. atoms combine (Protein)
  12. 20. organelles combine/ basic unit of life
Down
  1. 1. enzyme's special region
  2. 2. organs combine
  3. 6. energy used to activate a reaction
  4. 7. method of moving molecules across the membrane
  5. 8. reactant
  6. 10. like water
  7. 12. when it changes shapes and can no longer bind to a substrate
  8. 13. basic unit of life
  9. 15. a molecule containing one hydrophilic and two hydrophobic tails
  10. 18. tissues combine