Activation of which of the following molecules generally requires protein phosphorylation?
A) receptor tyrosine kinases
B) steroid hormone receptors
C) G protein-coupled receptors
D) ligand-gated ion channels

Question

Quizplus · Accepted Answer

Receptor tyrosine kinases are activated through the phosphorylation of specific tyrosine residues on the receptor itself, typically as a result of ligand binding. This phosphorylation leads to further downstream signaling events.

Activation of Which of the Following Molecules Generally Requires Protein