passive and active transport

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7 Terms

1
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what are the 3 types of passive transport

  1. diffusion

  2. osmosis

  3. facilitated diffusion

2
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diffusion

movement of particles from an area of high concentration to an area of concentration

uses no energy - spraying febreze - groups up at the top and slides down

3
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osmosis

diffusion of water across a selectively permeable membrane

allows water to be spread evenly (???)

essential for homeostasis

4
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facilitated diffusion

transports proteins on the cell membrane which will help transports substance into and out of the cell

  • no energy needed

  • high to low

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active transport

movement of materials thru a membrane against a concentrated gradient

  • requires ATP energy

  • low to high

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7
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