Answer :
Allowing ions to move down their concentration gradient. this would be an example of ion channel proteins
Ion channel proteins: what are they?
Ion channels are protein molecules that cross the cell membrane and permit the movement of ions from one side to the other. They have an aqueous hole that opens when the protein structure undergoes a conformational change, making it accessible to ions.
Are channel proteins ion channels?
Contrarily, the majority of channel proteins inside the plasma membrane of animal or plant cells that link the cytosol to the cell exterior are required to have small, extremely selective pores that can open and close. These proteins are known as ion channels because they are specifically involved in the transit of inorganic ions.
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