Difference between mediated transport and in - facilitated diffusion (are both same)

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Solution

Dear Student,

Mediated-transport is the transport that requires membrane transport proteins or carrier. The facilitated transport is a type of mediated-transport in which transport occurs by either transmembrane integral proteins or channel-forming carriers which provide a passage for the transport of molecules through the membrane.

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Similar questions

Assertion: Both facilitated diffusion and active transport are mediated through membrane proteins.

Reason: Only active transport is selective in action.

Consider the following statements and choose the correct answer.

I. Carrier proteins are needed by both facilitated diffusion and active transport and are sensitive to inhibitors that react with the protein.

II. Different types of proteins present in the membrane play a major role in both active as well as passive transport.

III. The carrier proteins needed by facilitated and active transport are specific.

IV. There is no need of energy to pump molecule against a concentration gradient in active transport.

V. Transport rate reaches the saturation point when all the active proteins are used.

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