So we might regulate the blood pressure in this pathway, we actually want to uptake that glucose and transform the glucose into Glycogen. In this pathway, we actually want to repair certain types of damages to the Epidermal cells or the Epithelial cells. Now, many of these pathways have different types of interactions. So in this particular case, I've listed a single interaction that exists in each one of these pathways. So in the case of Epinephrine, we said that the activated G alpha protein must go on and bind to adenylate cyclists to actually transform those ATP molecules into cyclic Amp molecules, which then go on and activate protein kinasea. So in epinephrine signaling, the ALPHAG protein must interact with adenos cyclists for that pathway to actually continue.