An enzyme-linked receptor (a) is a cytoplasmic protein (b) would not be found on plant cell surfaces (c) forms a dimer with another enzyme-linked receptor when a ligand binds to it (d) is typically an...

An enzyme-linked receptor (a) is a cytoplasmic protein (b) would not be found on plant cell surfaces (c) forms a dimer with another enzyme-linked receptor when a ligand binds to it (d) is typically an adenylyl cyclase molecule
(e) typically activates ion channels