That would be the kidneys.No kidneys= no urinary tract. Hope this helps!
Answer:
heyooooo!!!!!!
Hydrogen ions play a central role in the lives of cells. For example, changes in hydrogen ion concentration are intimately tied to the charge of side chains in proteins. This charge state, in turn, affects the activity of enzymes as well as their folding and even localization. Further, the famed ATP synthases that churn out the ATPs that power many cellular processes are driven by gradients in hydrogen ions across membranes.
hope this helps!!
Explanation:
Answer:
protiens
Explanation:
in protiens in cells have nightogen
I believe its D, it makes the most sence to me. as The substance is based on the arrangement there in and the type of atom the matter is made from.<span />
It shows evolution and growth from the past and present
