Study the incorrect statement with respect to an overview of the electron transport system (ETS).
(A)Ubiquinone receives reducing equivalents via FADH2 (complex II) that is generated during oxidation of succinate in the TCA cycle.
(B)As the electrons move down the system, energy is released and used to form ATP.
(C)2 ATPs are formed for every pair of electrons that enters by way of NADH and 3 ATPs are formed for every pair of electrons that enters by way of FADH2.Correct
(D)Oxygen, the final e⁻ acceptor, becomes a part of water.
Answer: (C)
Solution
The correct relationship is the reverse: 3 ATP are formed per pair of electrons entering via NADH, and only 2 ATP per pair entering via FADH2 (since
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