Unit 2

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Across
  1. 2. atoms combined to make a larger structure
  2. 5. cells combined, body starts to form
  3. 6. tissues combine to form this
  4. 7. all of the organ systems combine to fully form this
  5. 9. water fearing
  6. 12. control what goes in or out, like the cell membrane
  7. 15. organelles put together to make this, the basic unit of life
  8. 16. what is required to start a reaction, made easier with enzymes
  9. 19. takes no energy, goes from high to low concentration
  10. 20. organs combine to fully form this
  11. 22. the special region on an enzyme where the reaction occures
Down
  1. 1. one of two main parts of a chemical reaction, fits right into the enzyme's reaction site like a key
  2. 3. going from hihg to low concentration with water/liquid
  3. 4. going from high to low concentration with molecules/solids
  4. 8. molecules put together to make a larger structure
  5. 10. when the enzyme's active site is changed
  6. 11. a molecule containing one hydrophilic head and two hydrophobic tails, make up the cell membrane
  7. 13. one of two main parts of a chemical reaction, the results of subtrates being broken up to be used
  8. 14. basic unit of matter
  9. 17. takes energy, goes from low to high concentration
  10. 18. water loving
  11. 21. special proteins that lower the amount of activation energy required for each reaction