There Is Much Overlap of the Intracellular Signaling Cascades of Growth

Multiple Choice

There is much overlap of the intracellular signaling cascades of growth factors such as epidermal growth factor (EGF) and platelet-derived growth factor (PDGF) with those triggered by:

A) Neurotransmitters.
B) Hormones acting through cyclic guanosine monophosphate (cGMP) .
C) Steroid hormones.
D) Insulin.
E) Hormones that are coupled to heterotrimeric G proteins.