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

Question

Quizplus · Accepted Answer

In order to begin desensitization, the cytoplasmic domain of the activated G protein-coupled receptor is phosphorylated by a specific enzyme called a cytoplasmic G protein-coupled receptor kinase (GRK). Therefore, the best choice is C.

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