Value Based Questions : An aerobic organism is kept in an atmosphere of isotopic oxygen (018) Which of the two compounds released, water and carbon dioxide, will be found to contain the isotope?
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Solution
The potential of NADH and FADH2 is converted to more ATP through an electron transport chain with oxygen as the "terminal electron acceptor". Most of the ATP produced by aerobic cellular respiration is made by oxidative phosphorylation.
The oxygen atom receives the electrons and gets reduced to water.