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19 terms

Biology WKST (part1)

5.3-5.9 worksheet (to be quiz)
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diffusion across a membrane
passive transport
moves solute against concentration gradient
active transport
any spread of particles from area of higher concentration to are of low concentration
diffusion
diffusion with the help of transport protein
facilitated diffusion
three types of endocytosis
pinocytosis, receptor-mediated endocytosis, phagocytosis
engulfing of fluid in membrane vesicles
pinocytosis
diffusion of water across selectively permeable membrane
osmosis
involves transport molecules that need ATP to function
active transport
enables cell to engulf bulk quantities of specific large molecules
receptor-mediated endocytosis
how oxygen and carbon dioxide enter and leave cells
passive transport
causes plant cell to become turgid
osmosis
engulfing of particle or object in membrane vesicle
phagocytosis
fusion of membrane-bound vesicle with membrane and dumping of contents outside cell
exocytosis
how a cell might capture bacterium
phagocytosis
causes cream to mix with coffee
diffusion
occurs from a hypotonic to a hypertonic solution
osmosis
two types of passive transport
osmosis, facilitated diffusion
occurs when Golgi apparatus exports proteins
exocytosis
how a cell maintains a higher K+ concentration and lower Na+ concentration than its surroundings
active transport