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Chap 4
diffusion
11
Science
Not Applicable
12/14/2004

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Term
diffusion
Definition
movement of particles from high concentration to low concentration through the cell membrane
Term
osmosis
Definition
diffusion of water through cell membrane
Term
passive transport
Definition
movement of particles through protein hallways of the cell membrane
Term
active transport
Definition
movement of particles through protein doorways from low concentration to high concentration
uses energy
Term
endocytosis
Definition
cell membrane surrounds a particle to enter the cell
Term
exocytosis
Definition
vesicles are formed in the ER and carry particles to the cell membrane to exit the cell
Term
photosynthesis
Definition
plants
carbon dioxide + water + sunlight >>
(chlorophyll)
glucose + oxygen
(sugar)
Term
cellular respiration
Definition
animals
glucose + oxygen >>carbon dioxide +
water + energy (ATP)
Term
fermentation
Definition
when cells can not get the oxygen they need to produce ATP by cellular respiration
Term
mitosis
Definition
cell reprodution, a cell duplicates its chromosomes, divides, and forms two new identical daughter cells
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