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15 Cards in this Set
- Front
- Back
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Selective permeability
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Allows some materials to pass through
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Osmosis
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Thai fusion of water molecules through a membrane
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Phospholipids
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Molecule makes up plasma membrane
To fatty acids attached to glycerol |
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Contractile vacuole
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Sound and unicellular organisms enter helps maintain water balance plus pumps excess water out
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Plasmolysis
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Shrinking of cell do to drop turgor pressure
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Transport proteins
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Proteins in cell membrane enter either moving molecules in facilitated diffusion
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Facilitated diffusion
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Transportation across membrane by transport proteins
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Active transport
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Transport requiring energy
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Endocytosis
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Active transport into the cell
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Exocytosis
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Active transport out of the cell
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Homeostasis
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Organisme maintains constant internal stable environment
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diffusion
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Spreading of organisms
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Passive transport
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Movement of molecules not requiring chemical energy
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Turgor pressure
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Pushes plasma membrane against the cell wall
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Dynamic equilibrium
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Balance between two substances
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