Cell Membrane

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Across
  1. 4. keeping a stable environment inside of something
  2. 8. controls what goes in and out of a cell
  3. 11. molecules have equal sharing of electrons among atoms
  4. 12. make up the cell membrane
  5. 13. _________ are in the membrane
  6. 15. a cell needs energy to move the molecules
  7. 16. sends and receives signals
Down
  1. 1. protein used in osmosis
  2. 2. proteins are helping things pass through the membrane
  3. 3. transportation that doesn't use energy
  4. 5. concentration in the two areas is equal
  5. 6. moves with the concentration gradient
  6. 7. passive transport takes _____ amounts of energy to move molecules
  7. 9. when the cell membrane needs to fuse with the molecules its taking in to bring it inside
  8. 10. ____ is needed to help move molecules from low to high concentrations
  9. 14. molecules have unequal sharing of electrons among atoms