Which of the following molecules is the only molecule which will complete the full set of aerobic respiration stages?

Question

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Carbohydrates are the only molecules that will complete the full set of aerobic respiration stages. The breakdown of carbohydrates produces pyruvate, which enters the Krebs cycle and the electron transport chain, completing aerobic respiration. Proteins and nucleic acids can be broken down into components that enter the Krebs cycle, but the breakdown of fats and amino acids does not produce pyruvate, so they do not enter the Krebs cycle and therefore do not complete aerobic respiration.

Which of the Following Molecules Is the Only Molecule Which