Unit 2 Eden Barga

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Across
  1. 2. water fearing
  2. 8. combined tissues
  3. 9. diffusion with water
  4. 10. proteins that lower the amount of activation energy needed for metabolism to occur
  5. 13. allowing certain molecules in or out of a cell
  6. 14. combined atoms
  7. 16. combined cells
  8. 19. the substrate after the chemical reaction
  9. 20. using energy to move molecules across the cell membrane
  10. 21. combined organelles and is considered the basic unit of life
Down
  1. 1. basic unit of matter such as carbon or hydrogen
  2. 3. moving from a highly concentrated area to a lower concentrated area
  3. 4. all the organs such as the digestive system
  4. 5. water loving
  5. 6. moving molecules across the membrane without using energy
  6. 7. combined molecules
  7. 11. all the organ systems
  8. 12. when the active site's shape has changed
  9. 15. the special region on enzymes where the substrate goes
  10. 17. reactants
  11. 18. energy required to start metabolism
  12. 19. a molecule with a hydrophilic head and two hydrophobic tails and forms the cell membrane