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12 Cards in this Set
- Front
- Back
Passive Transport |
movement of biomolecules across the cell membrane |
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Diffusion |
the spreading of something more widly |
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concentration gradient |
the measure of the amount of a sub-component in a solution |
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equilibrium |
a state in which opposing forces or influences are balenced |
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osmosis |
a process of which molecules of solvent tend to pass through a membrane from a less concentrated solution into a more concentrated one |
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hypotonic |
having a lower osmotic pressure than a particular fluid |
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hypertonic |
having a higher osmotic pressure than a particular fluid |
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isotonic |
denoting or relating to solution having the same osmotic pressure as some other solution |
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contractile vacuole |
a vacuole in some protozoans that expels excess liquid on concentration |
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facilitated diffusion |
the process of spontaneous passive transport of molecules and ions across a biological membrane via specific transmembrane intrgal proteins |
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carrier protein |
facilitate the diffusion of different molecules |
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ion channel |
pore-forming membrane proteins who functions include establishing a resting membrane potential |