state review, unit two

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Across
  1. 3. large group of molecules
  2. 4. hates water
  3. 5. allows some things to go through but not others
  4. 7. new substrates created
  5. 9. large group of cells
  6. 11. molecules naturally move from being clustered to being spaced out
  7. 14. proteins that lower the amount of needed activation energy
  8. 16. diffusion of water across a membrane
  9. 17. cells spend energy to move molecules across the membrane with the help of proteins
  10. 18. multiple organ systems put together creates a fully functioning _____
  11. 19. large groups of atoms
  12. 20. large group of organelles
Down
  1. 1. region in the enzyme which the substrate goes into
  2. 2. large group of organs
  3. 6. the minimum amount of energy an organism needs for internal processes to function
  4. 7. a method of moving molecules across the membrane without the need of energy
  5. 8. reactions that fit into the activation site
  6. 10. loves water
  7. 12. the active site's shape is changed
  8. 13. basic units of matter
  9. 15. it is like the cell membrane and has a hydrophilic head and hydrophobic tails
  10. 18. large group of tissues