Unit 2

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Across
  1. 1. process where molecules naturally move from clustered to spaced out
  2. 5. water-fearing (tails of phospholipid)
  3. 6. many tissues combined, each play a role in body functioning correctly
  4. 7. two or more atoms chemically bonded together
  5. 11. molecule that speeds up chemical reactions
  6. 12. term for cell membrane only allowing certain molecules in or out of cell
  7. 13. new molecules that enzyme breaks a substrate into
  8. 15. place on substrate that enzyme bonds to
  9. 17. the buildup of energy necessary for a chemical reaction
  10. 19. term for the way molecules move across cell membrane without using energy
  11. 21. any living thing is classified as this
Down
  1. 2. many molecules combined to form different parts of a cell
  2. 3. water-loving
  3. 4. term for a substrate whose active site has become unsuitable for an enzyme
  4. 8. process where cells spend energy to move molecules across cell membrane
  5. 9. term for multiple organs working for the same bodily function
  6. 10. basic unit of all life
  7. 12. molecule of which enzyme performs chemical reaction
  8. 14. many cells combined, multiple of these form organs
  9. 16. _____ bilayer, consists of a head and two tails
  10. 18. diffusion of water across cell membrane
  11. 20. the basic unit of all matter