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Unit #3 part 2

2nd part of chapter 7

QuestionAnswer
cell membrane thin, flexible barrier.
cell wall strong supporting layer around the membrane.
lipid bilayer composition of nearly all cell memmbranes.
concentration mass of solute in a given volume of sloution or mass/volume.
diffusion particles move from more concentration to less concentration.
equilibrium concentration of the solute is the same throughout a system.
osmosis diffusion of water through a selectively permeable membrane.
isotonic the same strength.
hypertonic above strength.
hypotonic below strength.
facilitated diffusion molecules that cannot diffuse across the cell membranes lipid bilayer on their own move through protein channels instead.
active transport cellls moving in oppposite direction.
endocytosis process of taking material into the cell.
phagocytosis extensions of cytoplasm surrond a particle.
pinocytosis cells take up liquid from surronding enviornment.
exocytosis membrane of vacuole surronding material fuses with cell membrane.
cell specialization cells develop in different ways to preform different tasks.
tissue group of similar cells that preform a particular function.
organ tissues that work together.
organ system organs that work together to preform specific function.
Created by: austinridge
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