Metabolic water, which keeps some desert animals such as the kangaroo rat alive without drinking, is produced inside cells mainly during
Correct answer: D. the aerobic oxidation of glucose
- A. the hydrolysis of glycogen
- B. the conversion of pyruvate to lactate
- C. alcoholic fermentation
- D. the aerobic oxidation of glucose
Explanation
At the end of the electron transport chain, oxygen accepts electrons and hydrogen ions and is reduced to water, so aerobic respiration generates metabolic water. Fermentation pathways do not produce water, and hydrolysis consumes water rather than releasing it.
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About Classification of Biological Molecules
Biological molecules are classified as carbohydrates, lipids, proteins and nucleic acids, with water, minerals and vitamins also supporting cellular processes. The key distinctions involve their monomers, chemical bonds, structures and functions, including glucose and starch, fatty acids and triglycerides, amino acids and polypeptides, and nucleotides in DNA and RNA.
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