The movement of water from a low - high salt (high-low water) concentration across a partially permeable membrane. Put simply, it's the diffusion of water.
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Partially permeable membranes allow __ molecules to get through but not ___ molecules
Allow small (water). Don't allow large (salt).
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Is the cytoplasm of an animal cell very concentrated?
yes, relatively concentrated (low water conc.)
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What will happen if we placed the cell in water?
water would move, by osmosis, into the cell, making it expand and possibly burst
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Would the same happen with a plant cell?
Yes, however the cell wall would prevent it from bursting, so it would become swollen (turgid)
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What if we placed an animal cell in a concentrated solution?
Water would move out cell, into solution, shrinking cell
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What's it called when a plant cell does this?
Flaccid
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Other cards in this set
Card 2
Front
Partially permeable membranes allow __ molecules to get through but not ___ molecules
Back
Allow small (water). Don't allow large (salt).
Card 3
Front
Is the cytoplasm of an animal cell very concentrated?
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