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3:03
YouTube
Khan Academy
Concentration gradients | Membranes and transport | Biology | Khan Academy
Example showing how two different types of particles can move down their concentration gradients in opposite directions. Watch the next lesson: https://www.khanacademy.org/science/biology/membranes-and-transport/diffusion-and-osmosis/v/osmosis?utm_source=YT&utm_medium=Desc&utm_campaign=biology Missed the previous lesson? https://www.khanacademy ...
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Jul 30, 2015
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