So now these will move down their potential gradient from a high electric potential to a low electric potential. Now, because these channels essentially create these passageways that essentially lack the hydrophobic core, what these channels do is they facilitate the spontaneous diffusion of these ions, in some cases, molecules down their electrochemical gradient. So this type of transport is known as facilitated the fusion. And because they don't use any energy molecules, for instance, ATP molecules, to carry out the process, this type of transport is known as passive transport. So it doesn't use any ATP. So let's summarize our results.