ATP, a higher-energy molecule than ADP, is synthesized from ADP in the electron transport chain. Given that molecules cannot go from a lower energy to a higher energy on their own without an external input of
energy, how does the energy for this reaction enter the system?

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.