I truthfully have no clue just wanna finish doing the intro or blah blah if u want an actual answer say the question better so people can understand
D. The mitochondria of the eukaryotic cells are the sites of cellular respiration and where most of the steps take place. Cellular respiration allows for the release of energy stored in chemical bonds of glucose (obtained from food) to form adenosine triphosphate, which is the energy currency of the cell.
The answer should be letter B I'm sorry if not
A reaction to something that has happened and affected the body as it was trying to prevent the action