In Order to Begin Desensitization, the ________ Domain of the Activated

Multiple Choice

In order to begin desensitization, the ________ domain of the activated G protein-coupled receptor is phosphorylated by a specific enzyme called a ________.

A) extracellular, G protein-coupled receptor kinase
B) extracellular, G protein-coupled receptor phosphatase
C) cytoplasmic, G protein-coupled receptor kinase
D) cytoplasmic, G protein-coupled receptor phosphatase
E) extracellular, GRK