What happens to a molecule when IT goes inside the cell through the - ProProfs
     

What happens to a molecule when it goes inside the cell through the protein on its surface?

1. Adhesion
2. Osmosis
3. Active transport
4. Facilitated diffusion


This question is part of Diffusion and Osmosis

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2 Answers

D. gray

Building buildings and building intelligence

D. gray, Builder, Builder, Las Vegas

Answered on Mar 06, 2019

The answer to this is Facilitated Diffusion. Facilitated diffusion is the process by which the passive transport of molecules and ions through a passageway going to the integral membranes. Usually, the molecules that would need to undergo this process would move in and out of the cell membranes. Some of the most common ones are sodium ions, potassium ions, and glucose.

They would need to use carrier proteins in order to get to their needed location easily within the body. The other processes that are given as options are used for other purposes. For example, osmosis is another process that happens in the body but this is needed by solvent molecules.

John Smith

John Smith

Answered on Sep 26, 2016

(D) Facilitated diffusion

Facilitated diffusion is the transfer of molecules from a higher concentration to lower concentration (passive transport) through the proteins on the membrane. Molecules that enter through the proteins are often too large or ionic/polar to enter straight through the phospholipid bilayer. These are also the only molecules which can undergo active transport.

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