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15 Cards in this Set

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  • Back
circulatory system
transportation of nutrients TO CELLS and WASTES AWAY
concentration gradient
the difference in concentration between a region of GREATER CONCENTRATION and a region of LESSER CONCENTRATION
cyclosis
a type of circulation occurring INSIDE a cell, in which there is a streaming motion of cytoplasm
active transport
a process in which a membrane requires the expenditure of cellular energy
diffusion
the movement of molecules or particles from an area of lesser concentration
endocytosis
movement of a substance by a vesicle to the INSIDE of a cell
facilited diffusion
transport of substances THROUGH a cell membrane down a concentration gradient aided by carrier proteins
phloem
the tissue that conducts food and other dissolved materials throughout the plant
plasmolysis
the ,movement of water out of a cell (osmosis) it results in the collapse of the cell
transport
all the process by which substances pass INTO OR OUT OF cells and circulate within the organism
vascular tissue
the xylem and phloem of a plant (connecting tissue)
xylem
the tissue that conducts water and minerals from the roots upward through the plant, helps to support the plant
passive transport
transport movement of a substance WITHOUT the use of energy by the cell
exocytosis
movement of a substance by a vesicle to the OUTSIDE of a cell
osmosis
flow of water of LOW CONCENTRATION TO HIGH