Facilitated diffusion
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Explanation:
Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane via specific transmembrane integral proteins.
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Answer:
- Selective transport of large molecules across the cell membrane is called as facilitated diffusion.
- It takes place in presence of special proteins (porins) but does not involve expenditure of energy.
- Water soluble (hydrophilic) substances are transported by eight different aquaporins.
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