Protein phosphorylation is commonly involved with all of the following except
A) activation of receptor tyrosine kinases.
B) activation of protein kinase molecules.
C) activation of G protein-coupled receptors.
D) regulation of transcription by signaling molecules.

Question

Quizplus · Accepted Answer

Protein phosphorylation is not commonly involved in the activation of G protein-coupled receptors. Instead, G protein-coupled receptors activate downstream signaling pathways through other mechanisms such as G protein activation and second messenger production.

Protein Phosphorylation Is Commonly Involved with All of the Following