QUESTION 3 In mitochondria, exergonic redox reactions _____. (2pts) a. Are directly coupled to substrate-level phosphorylation. b. Reduce carbon atoms to carbon dioxide. c. Provide the energy that establishes the proton gradient. d. Are the source of energy driving prokaryotic ATP synthesis. QUESTION 4 When electrons flow along the ETC of mitochondria, which of the following changes occur? (2pts) a. The pH of the matrix increases. b. ATP synthase pumps protons by active transport. c. NAD+ is oxidized. d. The electrons gain free energy.
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These reactions help to establish a proton gradient across the inner mitochondrial membrane, which is then used to drive ATP synthesis through oxidative phosphorylation. Show more…
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In mitochondria, exergonic redox reactions a. are the source of energy driving prokaryotic ATP synthesis. b. provide the energy that establishes the proton gradient. c. reduce carbon atoms to carbon dioxide. d. are coupled via phosphorylated intermediates to endergonic processes.
In mitochondria, exergonic redox reactions (A) are the source of energy driving prokaryotic ATP synthesis. (B) provide the energy that establishes the proton gradient. (C) reduce carbon atoms to carbon dioxide. (D) are coupled via phosphorylated intermediates to endergonic processes.
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