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Facilitated diffusion occurs when molecules move across a cell membrane with the help of specific transport proteins. This process is used to transport large, polar, or charged molecules that cannot pass through the lipid bilayer unaided.

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1y ago

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Related Questions

What is a protein moves molecules across a membrane?

Facilitated diffusion moves molecules through cell membranes passively.


Is facilitated diffusion active?

No. Facilitated diffusion is a type of passive transport.


What is the difference between diffusion and facilitate diffusion?

The difference between diffusion and facilitated diffusion is that facilitated diffusion is that the molecules pass through special protein channels.


Facilitated diffusion required what?

Facilitated diffusion requires membrane proteins


Does facilitated diffusion require the use of energy?

Facilitated diffusion does not require the use of energy.


What are the 3 types of diffusion?

simple diffusion, osmosis and facilitated diffusion.


How is facilitated diffusion similar to diffusion ion channels?

Facilitated diffusion and diffusion ion channels both involve the movement of substances down a concentration gradient without requiring energy input. However, facilitated diffusion involves the assistance of carrier proteins to transport specific molecules, while diffusion ion channels are specialized proteins that form pores in cell membranes for specific ions to pass through.


What is the use of carrier proteins for diffusion?

facilitated diffusion.


Does glucose enters a cell most rapidly by facilitated diffusion?

No, glucose enters a cell most rapidly through facilitated diffusion with the help of glucose transporters, such as GLUT proteins. Facilitated diffusion allows glucose to move down its concentration gradient into the cell without requiring energy.


How much ATP does the Facilitated diffusion cost the cell?

Facilitated diffusion is an inactive mode.So no ATP cost.


Diffusion requires what?

Facilitated diffusion requires membrane proteins


Why the line-with-gaps model is not suitable to explain facilitated diffusion?

Facilitated diffusion is a carrier-mediated form of transport across a membrane. The line-with-gaps model doesn't show the carrier proteins that are in the cell membrane. These proteins are what help facilitated diffusion occur.