Question

Sutherland found evidence for the presence of a G protein- coupled receptor for epinephrine in muscle cells. For this receptor to function normally, it must have at least how many binding sites, and what must be bound?

Answer 1

Three binding site

- guanine nucleotide

- guanosine triphosphate

- guanosine diphosphate

Step-by-step explanation:

These sites are essential in signal transfer, cell growth, cytoskeletal assembly, protein synthesis and membrane vesicles transport.