Which statement is FALSE regarding biological oxidations? A) The redox potential is the affinity of a substance to accept electrons. B) Oxidation can occur by addition of oxygen to a molecule. C) Electrons are transferred from substances with a high reduction potential to substances with a lower reduction potential. D) Oxidases, oxygenases, and dehydrogenases are all enzymes that catalyze biological oxidation reactions. E) NAD⁺ is a cosubstrate of certain dehydrogenases and always accepts electrons in the form of hydride ions.

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Quizplus · Accepted Answer

C) is false because in biological systems, electrons are transferred from substances with a lower reduction potential to substances with a higher reduction potential, not the other way around. This is how the flow of electrons is driven energetically in processes like cellular respiration.

Which Statement Is FALSE Regarding Biological Oxidations