| A | B |
|---|
| osmosis | diffusion of water; doesn't require energy |
| diffusion | movement of particles down the concentration gradient; doesn't require energy |
| facilitated diffusion | movement of particles down the concentration gradient with the help of proteins |
| passive transport | Movement that doesn't require energy |
| active transport | movement that requires energy |
| hypertonic | having a higher concentration than what it is compared to |
| hypotonic | having a lower concentration that what it is compared to |
| isotonic | having the same concentration as what it is compared to |
| phopholipid | main structure in the cell membrane |
| polar | Head of phosphoipid has this property (polar or non polar) |
| nonpolar | Tail of the phosphoipid has this property (polar or nonpolar) |
| cholesterol | structure in the cell membrane that helps decrease the fluidity of the membrane |
| solute | substance dissolved |
| solvent | substance that dissolves another |
| concentration gradient | difference in the amount of substances in a given space |
| ion pump | type of active transport used by sodium and potassium |
