Which receptor type is exemplified by opening a channel to let sodium into the cell?

A. Intracellular receptor

B. Enzyme-linked receptor

C. Ion channel-linked receptor

D. Endomembrane receptor

The correct option is C.

Ion channel linked receptors refers to those receptors which have the receptor and transducing function as part of the same molecule. When the chemical signal Interact with the receptor, it causes the opening or the closing of the ion channel pore and allow the passage of the ion.