Which of the following is a cell surface receptor? (a) Enzyme-linked receptors (b) G protein-linked receptors (c) Ion-channel linked receptors (d) All of the above
Cell surface receptors are signal transducers for water-soluble extracellular signals. There are three main classes of cell surface receptors: G protein-coupled receptors, enzyme-coupled receptors, and ion-channel-linked receptors.
