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The cell in action!
how things get in and out of the cell
| Question | Answer |
|---|---|
| diffusion | the movement of paricles from an area of where the concentration is low to where the concentration is high to an area where their concentration is low |
| osmosis | the diffusion of water through the cell membrane |
| passive transport | the diffusion of particles through the proteins of the cell membrane from areas of high concentration to an areas of low concentration |
| active transport | the movement of particles through the proteins of the cell membrane against the normal direction of diffusion( from low concentration to high concentration) this process requires the cell to use energy |
| endocytosis | the process of bringing large particles into the cell by surrounding the cell membrane around a particle and enclosing it in a vesicle |
| exocytosis | the process of removing large particles out of the cell. The endoplasmic reticulum surrounds its membrane around a particle, which then travels to the cell membrane for removel. |
| What lets in small particles into the cell? | passive transport and active transport |
| What lets in big particles into the cell? | endocytosis & exocytosis |
| What lets water and oxygen into the cell? | diffusion & osmosis |
| What ways to let materials into the cell uses energy? | active transport, endocytosis, & exocytosis |
Created by:
yellamopc
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