Oxidative phosphorylation is a defining reaction of cellular…
Oxidative phosphorylation is a defining reaction of cellular respiration. Briefly summarize OxPhos. Be sure to describe the role of oxidation in this process and the molecules that are being oxidized. Discuss the role of phosphorylation in this process and the molecules that are being phosphorylated. Finally, discuss the importance of O2. Answers should demonstrate an understanding of the cytochromes, enzymes, reactants/substrates, and membranes involved in the process. The compound 2,4 dinitrophenol (DNP) is capable of making mitochondrial membranes permeable to protons. Biochemists refer to it as an “uncoupler”. Would ETC and chemiosmosis still happen in cells treated with DNP? Your answer should explain which reaction(s) would still continue, and which reaction(s) would no longer work when cells are exposed to DNP.
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