Definition for Ion channel
From Biology Forums Dictionary
Revision as of 01:29, 30 August 2011 by Biolove (Talk | contribs) (Created page with "Ion channels are pore-forming proteins that help establish and control the small voltage gradient across the plasma membrane of cells (see cell potential) by allowing the flo...")
Ion channels are pore-forming proteins that help establish and control the small voltage gradient across the plasma membrane of cells (see cell potential) by allowing the flow of ions down their electrochemical gradient. They are present in the membranes that surround all biological cells.
