Across
- 2. presence of ribosomes on the surface
- 3. provides protection for a cell
- 4. isotonic solution has the same solute concentration
- 8. found in all green plants and algae.
- 10. membrane-bound cell organelles
- 12. made up of protein and RNA molecules
- 14. containing the molecules to be released fuses with the cell membrane
- 15. self-contained structure consisting of fluid or gas
- 17. a sterol lipid
- 18. membrane-bound cell organelle that contains digestive enzymes
- 20. provides the energy needed for many essential processes in organisms and cells
- 22. Simple passive diffusion
- 24. all cell membrane embedded proteins
- 25. largest nuclear organelle
- 26. cells contain a nucleus
- 30. throat spasms when trying to drink water
- 31. regions of the plasma membrane
- 32. group of polar lipids (fatty)
Down
- 1. substances move from an area of higher concentration to an area of lower concentration
- 5. single celled organisms
- 6. wetting a large area of the surface
- 7. allows some liquids and gasses to pass through it, but not others
- 9. process that involves the movement of molecules
- 11. region of space over which the concentration of a substance changes
- 13. tube-like structure located near the cell periphery
- 16. thick solution that fills each cell
- 19. proteins can be simple channels or pores created in the membrane
- 21. structure in a cell that contains the chromosomes
- 23. Simple passive diffusion
- 27. a higher solute concentration
- 28. solute concentration outside the cell is lower than inside the cell
- 29. portion of the cell that's made up of membranes