why is cell membrane known as selectively permeable membrane
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The plasma membrane is made up of a phospholipid bilayer that is arranged in a way that not all molecules can freely diffuse in and out of the cell. ... This is the reason it's called selectively permeable, as it is only permeable (allows things in and out) to select molecules.
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Plasma membrane is selectively permeable because it equalises concentration gradient and osmotic pressure on either sides by selecting only some of solute or solvent molecules by making them to passing over membrane
It is made of lipids and sterols which can't allow all molecules to pass over making it selective permeable
It is made of lipids and sterols which can't allow all molecules to pass over making it selective permeable
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