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10 Cards in this Set
- Front
- Back
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Transport in cells... |
is movement of materials across cell membranes.
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Cell transport includes
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passive and active transport
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Passive transport
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does not require energy whereas active transport requires energy to proceed.
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Diffusion is
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the net passive movement of particles (atoms, ions or molecules) from a region in which they are in a higher conc to regions of lower conc to regions of lower conc.
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An example of diffusion is
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Auxins
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Auxins are
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plant hormones
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Osmosis is
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the movement of water molecules through a selectively permeable membrane from higher water conc to lower water conc.
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Active transport
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requires the assistance of a type of protein called a carrier protein, using energy supplied by ATP.
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An example of this could active transport
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Phagocytosis
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Phagocytosis is
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the process by which a cell engulfs a solid particle from an internal vesicle.
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