facilltaed diffusion

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5 Terms

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what is facilitated diffusion

diffusion across a membrane through carrier / channel proteins

2
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what limits the rate of facilitated diffusion

the amount of carrier/ channel proteins

3
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facillatated diffusion facts

concentration gradient present

molecules have kinetic energy

no energy required from ATP

protein channels / carriers are required

4
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what are channel proteins and how do they work

act as pores and allow only certain ions can pass through

are gated and only open and close in specific scenarios

5
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carrier proteins and how it works

allow specific large molecules to pass through by molecules binding to a specific site to change the shape and transfe the molecule through