Binding of a growth factor to its receptor is most likely to immediately activate which of the following molecules?
A) protein kinase
B) adenylyl cyclase
C) cAMP
D) phosphorylase

Question

Quizplus · Accepted Answer

Growth factors typically exert their effects by binding to receptor tyrosine kinases on the cell surface, which leads to the activation of protein kinases. These protein kinases then phosphorylate various target proteins to propagate the signal inside the cell.

Binding of a Growth Factor to Its Receptor Is Most