Answer:
nitrogenous bases from the cytoplasm link up with an exposed complementary base
It has more similarity to fossils in layer A than layer D.
It is true, because most of the steps of cellular respiration take place in the mitochondria. Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
Bacteria and birds both are organisms
