Marginocephalia, ceratopsians - like the triceratops. These dinosaurs are usually depicted with two horns coming from the top of orbits and one from the top of the nose. They also present pointed teeth and a mouth with very prominent maxillary bones. These animals were <span>herbivorous and all these structures served that type of food.</span>
<span>A series of complexes from electron
donors to acceptors happen in an electron transport chain. Due to the pumping action in the chain,
protons result to having a high concentration in the intermembrane space yet a
low concentration in the mitochondrial matrix.</span>
