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Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of the following statements about NAD+ is true? NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle. In the absence of NAD+, glycolysis can still function. NAD+ can donate electrons for use in oxidative phosphorylation. NAD+ has more chemical energy than NADH.

          Question 19
2 pts
Which of the following statements best describes the primary role played by oxygen in cellular respiration?
It yields energy in the form of ATP as it is passed down the electron transport chain.
It serves as an acceptor for carbon, forming CO2 in the citric acid cycle.
It oxidizes glucose to form two molecules of pyruvate.
It serves as the final acceptor for electrons from the electron transport chain.
Question 20
2 pts
Which of the following statements about NAD+ is true?
NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle.
In the absence of NAD+, glycolysis can still function.
NAD+ can donate electrons for use in oxidative phosphorylation.
NAD+ has more chemical energy than NADH.

Question 19
2 pts
Which of the following statements best describes the primary role played by oxygen in cellular respiration?
It yields energy in the form of ATP as it is passed down the electron transport chain.
It serves as an acceptor for carbon, forming CO2 in the citric acid cycle.
It oxidizes glucose to form two molecules of pyruvate.
It serves as the final acceptor for electrons from the electron transport chain.
Question 20
2 pts
Which of the following statements about NAD+ is true?
NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle.
In the absence of NAD+, glycolysis can still function.
NAD+ can donate electrons for use in oxidative phosphorylation.
NAD+ has more chemical energy than NADH.

Added by Amy E.

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