biology test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| passive transport | -movement of materials across membrane
-no energy
-high to low concentration
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| exocytosis | -materials exiting/leaving cell
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| pinocytosis | -forms tiny pockets
-pinch off to form vacuole
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| phagocytosis | -extensions of cytoplasm surrounding particles
-cell engulfs
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| phagocytosis & pinocytosis | -two examples of endocytosis
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| endocytosis | -materials entering the cell
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| bulk transport | -larger molecules
-transported across cell mebrane
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| calcium, sodium, potassium | -proteins move ________,________,and________ across the cell membrane
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| endocytosis & exocytosis | -examples of active transport
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| transport proteins | -active transport of small molecules across cell membrane
-"protein pumps"
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| active transport | -movement of materials across cell membrane using energy
-requires energy
-low to high concentration
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| selective permeability | -picky
-allows some substances to cross while others cant
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| hypotonic solution on cell | -water goes in so the cell begins to burst
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| hypertonic solution on cell | -water goes out the cell causing it to shrink
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| isotonic solutions on cell | -water goes in and out making it equal
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| osmotic pressure | -force exerted by movement of water in and out of cell
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| hypotonic | -solutions are below strength
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| hypertonic | -solutions are above strength
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| isotonic | -solutions are the same strength
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| osmsis | -example of facilitated diffusion
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| osmosis | -movement of water across membrane by facilitated diffusion
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| aquaporins | -water channel protein
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| protein channels | -carriers that allow molecules to pass easily
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| facilitated diffusion | -use protein channels to allow particles to cross cell membrane
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| no | -diffusion requires ________ additional energy
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| equilibrium | -substances on both sides of membrane are the same
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| diffusion | -movement of particles from high to low conentration
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| examples of passive transport | -diffusion & facilitated diffusion
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| constant/stable | -cell membrane keeps internal conditions________
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Created by:
lexiegrace123
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