Ch 5:Membrane Transport

Edit Answers
123456789101112131415161718192021222324
Across
  1. 2. Diffusion of water across a selectively-permeable membrane
  2. 4. Diffusion 2 types of passive transport are diffusion and ______ diffusion
  3. 6. Energy needed for active transport
  4. 7. Coupling of the "downhill" diffusion of one substance to the "uphill" transport of another against its own concentration gradient
  5. 9. Plant cell in a hypertonic environment
  6. 10. Chain "flags" on outside surface of cell membrane
  7. 13. Cells take up some substances and exclude others
  8. 15. How solid material enters the cell
  9. 16. Preferred environment for a plant cell
  10. 19. Potentials Stored up energy that can be used to help make ATP an transmit nerve impulses
  11. 20. Movement of molecules from a high concentration to a low concentration
  12. 22. Animal cell in a hypotonic environment
  13. 23. Regulates fluidity in the cell membrane
  14. 24. molecules that are small enough move across the cell membrane easily
Down
  1. 1. How material exits the cell
  2. 3. Charge inside the cell after sodium-potassium pump
  3. 5. Integral proteins that span the entire membrane
  4. 8. Phospholipids have both hydrophilic and hydrophobic regions
  5. 11. Endocytosis that is very specific
  6. 12. _____, charged, or large molecules don't move across the cell membrane
  7. 14. How liquid material enters the cell
  8. 17. Proteins that penetrate the hydrophobic region of the lipid bilayer
  9. 18. Proteins not embedded in membrane
  10. 21. Preferred environment for an animal cell