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Michael

lesson 3-4

QuestionAnswer
selectively permebale a property of cell membranes that allow some substances to pass across it while others cannot
passive transport the movement of dissolved materials across a cell membrane
diffusion the process by which molecules move from an area of higher coce tration to an area of lower concentration
osmosis the diffusion of water molecules across a selectively permeable membrane
active transport the movement of materials across a cell membrane using cellural energy
endocytosis the process by which the cell membrane takes particles into the cell by changing shape and enflfing the particles
exocytsis the process by which the vacuole surrounding particles fuses with cell membrane forcing the contents out of the cell
Created by: mgadwood002
 

 



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