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Which of the following criteria does not pertain to facilitated transport?

  1. A
    Requirement of special membrane proteins
  2. B
    High selectivity
  3. C
    Transport saturation
  4. D
    Uphill transport

Solution & Step-by-step Explanation

Facilitated transport is a type of passive transport that uses carrier proteins to move molecules down the concentration gradient. Uphill transport (moving against the concentration gradient) requires energy and is a characteristic of active transport, not facilitated diffusion.

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Which of the following criteria does not pertain to facilitated transport?
A
Requirement of special membrane proteins
B
High selectivity
C
Transport saturation
D
Uphill transport

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