Illustration: Diffusion Across The Plasma Membrane.
ID 241462815 © Aldonagriskeviciene | Megapixl.com
The simplest mechanism by which molecules can cross the plasma membrane is passive diffusion. During passive diffusion, a molecule simply dissolves in the phospholipid bilayer, diffuses across it, and then dissolves in the aqueous solution at the other side of the membrane.
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across action active anatomy biology cell cellular chanel closed cytoplasm diagram diffusion education health hormone ion lab lipid mechanism medical medicine membrane molecule nerve neuron open organ passive phospholipid plasma potassium protein pump receptor science shape simple sodium structure transport water
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