The Following Reactions Are All Common Parts of Some Hormone

Multiple Choice

The following reactions are all common parts of some hormone processes:
1) Binding of the hormone to a receptor.
2) Synthesis of cyclic AMP
3) Phosphorylation of the target enzyme.
4) Release of a G-protein from the interior cell membrane.
5) Activation of a protein kinase.
A typical path of reactions would follow this sequence:

A) 1 → 2 → 4 → 3 → 5.
B) 1 → 4 → 2 → 3 → 5.
C) 1 → 4 → 2 → 5 → 3.
D) 1 → 2 → 4 → 5 → 3.
E) 2 → 1 → 4 → 5 → 3.