The chemical structure shows what the red blood cell does.and the physical appearance also shows the same.
Answer:
I believe the awnsner is medicine. ((Not completely sure))
Explanation:
I think so because medicine is usually used to help defeat a sickness and not as much as repairing something that's wrong.
Change the pH and the enzyme<span> stops working. Increasing the temperature to 60°C will cause a permanent change to the shape of the active site. This is why </span>enzymes<span> stop working when they are heated. We say they have become </span>denatured<span>.</span>