| A | B |
|---|
| cell membrane | barrier, passageway for cells |
| cell wall | offers structural support for some cells |
| plasmolysis | shrunken cytoplasm |
| osmosis | diffusion of water across a membrane |
| diffusion | movement of any substance from high to low |
| hypertonic | a solution with a great deal of solute |
| hypotonic | a solution with little solute |
| isotonic | a solution that is balanced for water and solutes |
| selectively permeable | certain substances cross a membrane |
| pores | structures which allow for certain substances to cross a membrane |
| active transport | movement of substances using ATP |
| passive transport | movement of substances based on kinetic energy |
| kinetic energy | molecular motion |
