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22 Cards in this Set
- Front
- Back
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Concentration
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Amount of particles in a solution
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Endocytosis
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Active movement of particles INTO a cell
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Phagoocytosis
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Active transport of SOLID particles
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Osmosis
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Passive movement of water through a cell membrane
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Concentration Gradient
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Difference in the amount of dissaolved substances on two sides of a membrane
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Lipid Bilayer
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Double layer of of phosphilipid that form cell membranes
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Diffusion
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Movement of particles from an area of high concentation to low concentration without energy
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Equillibrium
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When the concetration of particles is the same throughout a solution
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Isotonic
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Solution with equal concetrations of dissovled solids on both sides of a cell membrane
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Pinoocytosis
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Active transport of LIQUIDS
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Phospholipid
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Lipid with a water-loving head and water-hating tial that toghter make up the structure of a membrane
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Channel Protein
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Protein that acts like a tunnel through membrane
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Faciltated Diffusion
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Passive movement of particles through a membrane using proteins
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Carrier Protein
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Protein that acts like a gate in a membrane
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Hypetonic
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Solution with a HIGHER concentration of dissolved solids on the outside of the cell membrane
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Hypotonic
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Solution with a LOWER concentration of dissolved solids on the outside of the cell membrane
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Selective Permeability
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Membrane's ability to allow in only certain particles
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Turgor Pressure
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Water pressure pushing out on a cell's membran; assits in maintianing shape
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Exocytosis
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Active movement of particles OUT of a cell
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Passive Transport
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Examples include diffusion and osmosis, type of transport that does not require engery
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Fluid Mosaic Model
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Description of a cell membrane explaining its flexibilty and compostion
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Active Transport
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Movement of particles across a memebrane WITH engery
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