What does facilitated diffusion require?

Understand the Problem

The question is asking about the specific requirements for facilitated diffusion, a biological process. It seeks to identify the factors or components needed for this type of diffusion to occur, which typically involves transport proteins and concentration gradients.

Answer

Specialized proteins, no energy input required.

Facilitated diffusion requires specialized proteins, such as channel proteins and carrier proteins, to help molecules move across the cell membrane without requiring energy input from the cell.

Answer for screen readers

Facilitated diffusion requires specialized proteins, such as channel proteins and carrier proteins, to help molecules move across the cell membrane without requiring energy input from the cell.

More Information

Facilitated diffusion helps cells transport molecules like glucose and ions which cannot pass freely through the phospholipid bilayer.

Tips

Common mistakes include confusing facilitated diffusion with active transport; facilitated diffusion does not require ATP.

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