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9 Cards in this Set
- Front
- Back
eukaryote |
Any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound nucleus. |
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Prokaryote |
Any of the group of organisms primarily characterized by the lack of true nucleuse and other membrane-bound cell compartments. |
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Selectively permeable |
A feature and a function of the plasma membrane that is essential to maintain homeostasis by regulating the passage of some substances while preventing others from entering the cell. |
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Diffusion |
a type of passive transport ( spontaneous), therefore, it is a net movement of molecules in and out of the cell across the cell membrane along a concentration gradient (higher via spconcentration to lower concentration0. |
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Facilitated Diffusion |
When molecules move (diffuse) via special transport proteins found within the cell membrane. |
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Osmosis |
Tendency of water to flow from a hypertonic solution (low concentration of dissolved substances) to hypertonic solution (higher concentration of dissolved substances) across a semipermeable membrtoane. |
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Isotonic |
Having equal tension or pressure. |
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hypertonic |
Higher concentration |
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hypotonic |
Lower concentration |