In its target cells, nitric oxide (NO) leads to an increase in this second messenger:(A) Calcium (Ca2+)(B) 3',5'-Cyclic adenosine monophosphate (cyclic AMP or cAMP)(C) 3',5'-Cyclic guanosine monophosphate (cyclic GMP or cGMP)(D) Inositol 1,4,5-trisphosphate (IP3) Checking your answer...