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Q.
Number of oxygen atoms required for oxidation of $2 \, N A D H_{2}$ molecule in ETS is
NTA AbhyasNTA Abhyas 2020Respiration in Plants
Solution:
For oxidation of one $N A D H_{2}$ molecule, one oxygen atom is required in ETS; thus, for 2 $N A D H_{2}$ molecules, 2 oxygen atoms are required. Oxygen functions as terminal electron acceptor during aerobic respiration.