Cell Transport

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Across
  1. 1. the separation of smaller particles from larger particles by diffusion through a semi-permeable membrane
  2. 5. protein that changes shape when a particle binds with it, involved in facilitated diffusion
  3. 7. what happens to a cell placed in a hypertonic solution
  4. 10. a difference in concentration of particles on opposites sides of a membrane
  5. 11. a form of endocytosis in which the cell takes in solid particles ("cell eating")
  6. 12. a solution in which the concentration of dissolved substances is the same as the concentration inside a cell
  7. 13. a form of endocytosis in which the cell takes in fluids ("cell drinking")
  8. 14. when the concentration of substances on opposite sides of a membrane are the same
  9. 15. type of embedded protein that provides a tunnel-like opening in the plasma membrane through which particles can diffuse
  10. 16. the process by which some cells surround and take in materials
  11. 17. movement of materials that requires energy because it moves materials against the concentration gradient
  12. 19. Particle movement from an area of higher concentration to an area of lower concentration, includes diffusion and osmosis
  13. 20. process by which cells remove materials from the cell by a vacuole that never really passes through the membrane
Down
  1. 1. the passive movement of particles along a concentration gradient until they are evenly distributed (like a lump of sugar that dissolves in a beaker of water)
  2. 2. when a solution is created, the substance into which particles dissolve
  3. 3. the diffusion of water
  4. 4. the tendancy of a cell or an organism to attempt to maintain a constant environment
  5. 6. when a solution is created, the particles that are dissolved in the solvent
  6. 8. a solution in which the concentration of dissolved substances is higher than the concentration inside a cell
  7. 9. form of passive transport that uses a carrier protein
  8. 11. type of protein that is involved in active transport
  9. 18. a solution in which the concentration of dissolved substances is lower than the concentration inside a cell
  10. 20. is used during active transport but not passive transport
  11. 21. what happens to a cell placed in a hypotonic solution