Diffusion - Transport across membranes

Oxygen and carbon dioxide can be transported through simple diffusion as they are small which means they can pass through the phospholipid bilayer They are

3:45 Facilitated diffusion 4:22 Some factors that can affect rate of diffusion 6:35 Why care about

simple slot Simple diffusion allows the direct transport of molecules across the cell membrane In contrast, facilitated diffusion occurs via transmembrane proteins like

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