Chapter 9 Quiz

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The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is the

H+ concentration across the membrane holding ATP synthase.

When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs?

The pH of the matrix increases.

Which metabolic pathway is common to both fermentation and cellular respiration of a glucose molecule?

glycolysis

The final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is

oxygen.

In mitochondria, exergonic redox reactions

provide the energy that establishes the proton gradient.

What is the oxidizing agent in the following reaction?

pyruvate

Most CO2 from catabolism is released during

the citric acid cycle


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