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Cell Transport
| Question | Answer |
|---|---|
| Transport protein that provides a tube-like opening in the plasma membrane through which particles can diffuse | channel protein |
| Is used during active transport but not passive transport | energy |
| Process by which a cell takes in material by forming a vacuole around it | endocytosis |
| Particle movement from an area of higher concentration to an area of lower concentration | passive transport |
| Process by which a cell expels waste from a vacuole | exocytosis |
| A form of passive transport that uses transport proteins | Facilitated diffusion |
| Particle movement from an area of lower concentration to an area of higher concentration | active transport |
| Transport protein that changes shape when a particle binds wit it | carrier protein |
| The diffusion of water through a cell membrane | osmosis |
| The movement of substances through the cell membrane without the use of cellular energy | passive transport |
| Used to help substances enter or exit the cell membrane | Transport protein |
| When energy is required to move materials through a cell membrane | active transport |
| When molecules of one substance are spread evenly throughout another substance become balanced | equilibrium |
| A vacuole membrane molecule fuses (becomes part of) the cell membrane and the contents are released | exocytosis |
| The cell membrane forms around other substances, for example, how the amoeba gets its food | endocytosis |
| When molecules move from areas of high concentration to areas of low concentration | diffusion |
| Causes a cell to swell | A hypotonic solution |
| Doesn't change the shape of a cell | isotonic solution |
| Causes osmosis | Hypotonic and Hypertonic solution's |
| Causes a cell to shrink | Hypertonic solution |
| Homeostasis | The tendency toward a relatively stable equilibrium between independent elements |
| What role does the cell membrane play in maintaining homeostasis | It controls the substances that penetrate the cell, either entering or leaving the cell |
| Both facilitated and normal diffusion move | from an area of high concentration to low concentration |
| How are active and passive transport different concerning concentration gradient? | Active moves against it and passive moves with it |
Created by:
rdaniels94