And as we increase the PH, we basically decrease the amount of h bonds because we decrease the number of h atoms on the guanine and that destabilizes that entire double helix structure of DNA. And so within this range we see this very drastic decrease in the number of DNA molecules that exist in a double helix form because all those guanian molecules lose that h atom. So we see within this range we have a very, very drastic change in the y value in the percent of those DNA molecules that exist in a double helix form. So we see that this is precisely why the cells of our body spend so much energy trying to maintain a constant PH value. Because decreasing or increasing the PH will affect all the different types of biological processes that take place inside our cells. Now, by the way, in this case, in this example, we focus on increasing our PH.