Question

question: what role do nadh and fadh₂ play in aerobic cellular respiration? answer options: select one of four they break their bonds to release atp. they carry high - energy electrons. they recombine to form water. they combine to form oxygen.

Explanation:

In aerobic cellular respiration, NADH and FADH₂ are electron carriers. They carry high - energy electrons that are produced during glycolysis and the Krebs cycle to the electron transport chain. The option "They break their bonds to release ATP" is incorrect because they do not directly release ATP by breaking their bonds. The option "They recombine to form water" is wrong as oxygen and electrons (along with protons) combine to form water, not NADH and FADH₂. The option "They combine to form oxygen" is also incorrect as they have nothing to do with forming oxygen. So the correct option is the one that says they carry high - energy electrons.

Answer:

They carry high - energy electrons.