Sophia Stammen Unit 2

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Across
  1. 3. molecules combine to into these
  2. 4. tails of a phospholipid (waterfearing)
  3. 5. only allows certain molecules in or out of the cell
  4. 7. result of a chemical reaction
  5. 9. cells combine to form these
  6. 11. molecules moving from clustered to spaced out
  7. 14. a protein that speeds up a chemical reaction
  8. 16. the diffusion of water across a membrane
  9. 17. occurs when cells spend energy to move molecules across the membrane through a transport protein
  10. 18. all of the organ systems combine to form this
  11. 19. Atoms combine to form these
  12. 20. the basic unit of living thing (organelles combine to form these)
Down
  1. 1. where the substrate fits on the enzyme
  2. 2. organs make up this
  3. 6. the energy built up to activate the reaction
  4. 7. a method of moving molecules through membrane with no energy
  5. 8. what the enzyme binds to
  6. 10. head of a phospholipid (waterloving)
  7. 12. when the active site changes shape and can't bind to the substrate
  8. 13. basic unit of matter
  9. 15. molecule that forms the basis of a cell membrane
  10. 18. tissues combine to form these