CHAPTER 3 Cell Biology
65
Competition
increased so thatmovement remainssubstance increases(1) channel
membrane proteinsthe plasmaregions of thethe plasmaface inwardright size,charges in thewhich types ofgated ion
channels,
aremembrane’s per-
Gated ion
of the cell.chemicalgand) is aby cells torespond toOther gatedthe mem-
channels.