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Question

Which does not pertain to facilitated transport?

A
Uphill transport
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B
High selectively
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C
Transport saturation
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D
Requirement of special membrane proteins
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Solution

The correct option is A Uphill transport
Facilitated transport is the movement of molecules across a membrane through special transport proteins.
The movement is in accordance with the concentration gradient and hence a downhill transport.
Transport proteins provide high selectivity and transport only certain molecules.
Example: Ion channels, aquaporins, etc.
So the correct answer is 'Uphill transport'.

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