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Carrier proteins.

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protein carrier or channel

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Q: What are responsible for the transport of substances down a concentration gradient during facilitated diffusion?
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Are responsible for the transport of substances down a concentration gradient during facilitated diffusion.?

Carrier proteins


What happens in the process of facilitated diffusion In what part of the membrane does it take place?

In facilitated diffusion, substances will still diffuse down their concentration gradient but they make use of a transport protein.


What are some characteristics of facilitated diffusion?

The substances are moving from areas of high concentration to areas of low concentration with the help of a protein channel.


Compare and contrast active transport and facilitated diffusion-?

Active transport moves solutes against their concentration gradient; facilitated diffusion moves substances down their concentration gradient.


How is facilitated diffusion different than normal diffusion?

Diffusion is the movement of molecules or partocles from an area of high concentration to an area of lower concentration, and Facilitated diffusion is when substances difuse across cell membranes more rapidly than you might expect.


Facilitated diffusion sentence?

Facilitated diffusion is a type of diffusion specifically for larger molecules, to help them cross a selectively permeable membrane with the help of integral proteins that act as carriers. Facilitated diffusion is a passive process, i.e. it does not need energy/ATP.


Facilitated diffusion carrier proteins and cell membrane pumps both?

They both transport substances up their concentration gradients.


A form of passive transport that involves membrane proteins to aid in the movement of substances?

Facilitated diffusion


Facilitated diffusion and active transport?

Facilitated diffusion = down concentration gradient, it just uses a carrier protein (doesn't need energy)Active transport =goes UP concentration gradient with the help of a carrier protein and ENERGY


What particle movement from an area of higher concentration to an area of lower concentration?

they move from an area of high concentration to low concentration in an effort to create equilibrium.


What does facilitated diffusion requires?

Facilitated diffusion requires energy. This is because facilitated diffusion is the transfer of molecules from a lower concentration to a higher concentration.membrain pouch


In what process are carrier proteins important?

Carrier proteins is important in facilitated diffusion. Facilitated diffusion transports molecules from one area of higher concentration on one side of the membrane to an area of lower concentration on the other side .Because the molecules are moving down their concentration gradient , facilitated diffusion is passive transport.