13. Alcohols and Carbonyl Compounds

Which of the following are the two primary electron carriers involved in biological oxidation-reduction reactions?

Which of the following molecules is the primary reducing agent in the Calvin cycle reactions?

Which of the following is a reducing agent in the overall reaction for photosynthesis?

Oxidation of which of the following molecules will produce the largest amount of energy?

Which of the following best describes the role of a reducing agent in a chemical reaction?

Which of the following components can be present in a reducing atmosphere?

Which of the following is not a good biological oxidizing agent?

Which of the following are the reduced forms of the electron carriers ${\mathrm{NAD}}^{+}$ and ${\mathrm{FAD}}^{+}$?