Chemically gated Bind ligand Ligand-gated B Phosphorylation- ga Chemically gated Phosphorylate Phosphrylation- gated: G protein/ secona massagers Dephosphorylate Gating mechanisms C Voltage-gated membrane Voltage-gated of ion channels potential D Stretch or pressure- gated Mechanosensitive StretchGating mechanisms of ion channels Chemically gated Ligand-gated Chemically gated Phospharylation￾gated: G protein / second massagers Voltage-gated Mechanosensitive