Question

Which scenario is most likely to use facilitated diffusion for transport?.

Answer 1

Answer:

Glucose moves with the concentration gradient from high to low concentration using a membrane protein.

Explanation:

Facilitated transport is a type of passive transport where the molecules move from region of high concentration to low concentration. Since they are moving along the concentration gradient, energy is not required for the process. But it does require some special membrane proteins hence the term "facilitated". The proteins are required for movement of large and polar molecules because even their diffusion is difficult through the non polar lipid layer of membrane.

Here, glucose is moving from high to low concentration so it's diffusion but it is using membrane protein because it is polar hence it is facilitated diffusion transport.

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