Cell Membrane Transport

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Across
  1. 3. the pressure required to prevent osmosis out of a cell and into the solution
  2. 6. channel that opens with binding of specific chemical
  3. 8. release material out of the cells
  4. 10. active transport that directly using chemical energy supplied by the cell; uses ATP directly
  5. 12. the concentration of particles is the same on both sides of a semipermeable membrane
  6. 15. active transport driven by the concentration gradient establish through primary active transport; uses ATP indirectly
  7. 18. channel that opens and closes in response to physical deformation of receptors
  8. 19. channel that opens and closes in response to changes in the membrane potential
Down
  1. 1. movement of a substance from low concentration to high concentration across a semipermeable membrane with the aid of transmembrane protein
  2. 2. the uptake or release of material via vesicles
  3. 4. type of membrane that regulates the movement of particle across it
  4. 5. differences in amount of substances in a area
  5. 7. solution where the concentration of particles is greater out of the cell; net movement of water is out of the cell, cell shrinks
  6. 9. solution where the concentration of particles is less out of the cell; net movement of water is into the cell, cell swells
  7. 11. movement of a substance from high concentration to low concentration across a semipermeable membrane until an equilibrium is established
  8. 13. solution where the concentration of particles is the same both in and out of the cell; no net movement of water, cell stays the same size
  9. 14. diffusion with the aid of transmembrane protein
  10. 16. uptake of liquids or material via vesicles
  11. 17. is a measure of the effect of the osmotic pressure gradient of two solutions separated by a semipermeable membrane on the cell membrane.