Types of Cell Surface Receptor

Question 1

Ligand-Gated Ion Channels

Answer 1

Acetylcholine Receptor

Question 2

G-Protein-Linked Receptors

Answer 2

Guanyl nucleotide binding proteins that act as molecular switches
-active when GTP is bound, inactive with GDP due to action of intrinsic GTPase (guanosine triphosphate)

Question 3

Enzyme-linked Receptors

Answer 3

Insulin receptor