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Cell Transport
Cell Transport Study Stack
| Question | Answer |
|---|---|
| holds the cell contents and controls what enters and leaves the cell | cell membrane |
| Process by which molecules move from areas of high concentration to area of low concentration | diffusion |
| molecules are pushed from regions of low concentrations to areas of high concentration | active transport |
| process of taking materials into the cell by means of infoldings, or pockets of the cell membrane | endocytosis |
| process by which water molecules diffuse through a membrane | osmosis |
| diffusion occurs with the help of a carrier molecule across a cell membrane | facilitated diffusion |
| The concentration of solutes is the same inside and outside the cell | isotonic solution |
| The solution has a higher concentration of solutes that the cell | hypertonic solution |
| The solution has a lower concentration of solutes than the cell | hypotonic solution |
| membrane of the vacuole surrounding the material fuses with the cell membrane, forcing the contents out of the cell | Exocytosis |
| molecules move with the concentration gradient, molecules spread out, does not require ATP (energy) | Passive transport |
| molecules move against the concentration gradient, active transport requires ATP (energy) | active transport |
| membrane is a fluid structure, which means it can rearrange itself in response to the environment | fluid mosaic |
| “cell eating” extensions of the cytoplasm | phagocytosis |
| pockets from along the cell membrane, fill with liquid and pinch off to form vacuoles within the cell | Pinocytosis |
Created by:
Nate Bowen
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