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12 Cards in this Set
- Front
- Back
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What is the most abundant lipid in the plasma membrane?
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Phospholipid
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What is the Membrane Protein a mixture of?
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different proteins which are embedded in the fluid matrix of the lipid bilayer
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Where is the membrane protein and lipid synthesized?
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ER and Golgi Apparatus
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What is selective permeability controlled by?
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plasma membrane
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Do polar molecules cross the membrane rapidly?
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No
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What kind of molecule can pass through the membrane through selective permeability rapidly?
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hydrophobic molecules
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Define Dynamic Equilibrium.
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when solute molecules continue to cross the membrane at equal rates in both directions
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Define Osmosis.
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movement of water across a semipermeable membrane
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Define Tonicity.
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ability of a solution to cause a cell to gain or loose water
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Define Isotonic Solution.
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when 2 solutions have the same concentration
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Define hypotonic solution
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solution contains more solutes and less water
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define hypertonic solution
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solution contains more solutes and less water
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