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| plasma membrean/cell membrane |
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| controls the movement of material into and out of the cell |
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| used to support plant cell, very thick with large holes in the wall |
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| control center of the cell home of DNA |
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| holds all the organelles lies between the nucleus and plasma membrane |
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| folded system of membrane functions as a delivery system rough er production of proteins ribosomes make it rough smooth er production of hormones |
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| located on the rough er and in cytoplasm site of protein synthesis |
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| recieves and distributes proteins to other parts of the cell |
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| used for tempoary storage of materials |
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| digest or worn out cell parts contain digestive enzymes |
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leucoplast-white pigments used to store starch
chromoplast-other pigments
chloroplast-transforms light energy into chemical energy |
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thin fiberous clements that provides support for the organelles
microtubles-thin hollow cylinders made of proteins microfilaments-thin soild protein fibers |
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used for moition
short numerous hair like projections
long less numerous projections |
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| strenghten and reinforce in animal cells used in mitosis |
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| a cell that has membrane bound organelles |
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| a cell that lacks membrane bound organelles |
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| balenced conditions of the body |
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| the net movement particles in a solution |
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| continuous movement but no overall change |
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| diffusion of water the movement of water from an area of high concentration to low concentration |
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| the pressure inside the cell increases in any potonic solution |
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| drop in turgor pressure causing wilting plants and cells to shrivel |
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| polen grains suspended in water by Robert Brown in 1827 evidence of the random moition of molecules |
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| cells surrounds and takes in materials from its environment requires energy |
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| expels waste to exterior environment requires energy |
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