In which type of transport is the mediation o | vedclass

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(B) Simple diffusion is a passive process where molecules move across the membrane without the help of any carrier proteins. Facilitated diffusion inv

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Facilitated diffusion

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(B) Simple diffusion is a passive process where molecules move across the membrane without the help of any carrier proteins. Facilitated diffusion involves the movement of molecules across the membrane with the help of specific carrier proteins or channel proteins. Active transport also requires carrier proteins (pumps) to move molecules against the concentration gradient using energy $(ATP)$. However,the term 'facilitated diffusion' specifically highlights the role of carrier proteins to facilitate the movement of hydrophilic substances that cannot pass through the lipid bilayer. Therefore,facilitated diffusion is the classic example where mediation of carrier molecules is the defining characteristic.

In which type of transport is the mediation of carrier molecules specifically required?

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