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cell unit
Term | Definition |
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Diffusion | The movement of material from an area of high concentration, to an area of low concentration. |
osmosis | the movement of a liquid across a semipermeable membrane. |
passive transport | when cells don't use any energy to move materials in and out of the cells |
Active transport | when cells have to use energy to move material in and out of the cell |
endocytosis | when a cell surrounds a large particle in pseudopod (fake foot) and uses energy to pull it into the cell |
exocytosis | when a cell surrounds a particle in a vesicle and pushes it out of the cell |
photosynthesis | when a plant cell uses water, sunlight, and carbon dioxide to create glucose for energy |
fermentation | A backup system for cells to create energy when the cells don't have enough oxygen. the cells use carbon dioxide. |