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11 Cards in this Set
- Front
- Back
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passive trasport
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no energy required. high conv. to low.
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active transport
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atp energy required. low conc. to high. moves against gradient. endocytosis. exocytosis. pumps
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simple diffusion
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moves with or down gradient
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facilitated diffusion
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diffusion w/ help from protein
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osmosis
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biological membrane and water
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aquaporins
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specialized water channels. 3 billion water molecules move per second
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diffusion ends
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when no conc. gradient left. dynamic equalibrium
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intracellular fluidICF
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cytosol of the cell. fluid inside cell
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extracellular fluid ECF
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fluid outside of cell
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solute
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dissolved in particles in ICF and ECF. ions.minerals.sugars. salts
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solution
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combination of solutes and water.
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