Explain the signal transduction pathway that involves the second messenger CAMP beginning with the binding of the ligand.

answer is a

explanation:

i need an image of the diagram

and after water is usually warmed by the sun the water temperature raises and then evaporates .

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.