Flashcards in 1st Bio Quiz Deck (8)
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Osmosis
Diffusion of water molecules across a semipermeable membrane from an area of lower water concentration
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Isotonic
Solution that Has an equal concentration of dissolved particles compared with another solution.
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Hypertonic
Solution that has a higher concentration of dissolved particles compared with another solution.
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Cell membrane
Double layer of phospholipids that forms a boundary between a cell and the surrounding environment and controls the passage of materials in and out of the cell.
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Phospholipids
Molecule that forms a double layer cell membrane consists of glycerol, and 2 fatty acids
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Fluid mosaic model
Model that describes the arrangement and movement of the molecules that make up a cell membrane
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Selective permeability
Condition or quality of having some, but not all, materials cross a barrier or membrane
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