Which of the Following Statements Is False Regarding Amphibolic Pathways

question 55

Multiple Choice

Which of the following statements is false regarding amphibolic pathways?

• A) Metabolic pathways are amphibolic, that is, catabolism and anabolism are intertwined in order to conserve energy in the cell.
• B) Glucose is broken down in glycolysis; however, not all of the intermediates in the pathway are utilized as an energy source. Many leave the pathway to serve as precursors for
• Complex molecules.
• C) Glyceraldehyde-3-phosphate is used as a precursor for amino acid, lipid, and carbohydrate synthesis.
• D) All organisms use metabolic pathways to synthesize the 20 amino acids necessary for protein synthesis using precursors from catabolic processes.
• E) Glucose is broken down during glycolysis to pyruvate; however, when glucose is in short supply, pyruvate is used as a precursor in the process of gluconeogenesis.

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