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| balance with the enviroment by controlling and regulating what gets into and out of the cell, cell membrane maintains stable enviroment |
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| substance actively doing to dissolving |
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| the difference in concentrationd across a space or a membrane |
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| Molecules will move to.... |
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| equilize the concentrations in the two areas |
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| when the sides are equal, aka same amount of solute inside and outside cell |
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| all things can pass through |
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| only some things can pass through based on size |
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| diffusion of water through a semipermeable membrane |
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| lower, less of whatever is described |
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| whatever there is more of in the solution, most concentrated |
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| equal concentration of molecules, equilbrium |
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| u shaped tube, where you discover the more hypertonic solution because the water rises on that side |
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| osmotic pressure, pressure due to water, in plant cells |
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| when a cell bursts because it has taken in too much water, more frequent in animal cells since they don't have a cell wall |
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| when a cell collapses on itself because it has lost too much water |
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| vacuoles that pump water out of a cell to keep a concentration gradient present |
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| molecules move down the concentration gradient with the help of a protein in the cell membrane |
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| molecule uses a protein in the cell membrane to move against the concentration gradeint, requires energy, with ATP |
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| triphosphate something, big molecule, sugar, lot's of energy |
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| in, a way in which the cell takes in a big molecule |
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| out, the way a cell rids itself a of a large molecule |
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| Endocytosis and exocytosis |
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require energy
how our immune cells eat bacteria
how some of our cells secrete packaged proteins made in Rough ER |
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