Transport and diffusion

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Biology

Cells

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6 Terms

1
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active transport

movement of particles against a concentration gradient using ATP energy across a semi-permeable membrane

2
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passive transport

movement of particles down a concentration gradient across a semi-permeable membrane

3
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facilitated diffusion

passive movement of particles across a semi-permeable membrane using protein pumps

4
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diffusion

the movement of particles from an area of high concentration to an area of low concentration through a semi-permeable membrane

5
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osmosis

the movement of water molecules from an area of high concentration to an area of low concentration through a semi-permeable membrane

6
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types of passive transport

osmosis, facillitated diffusion, diffusion