The Krebs cycle is often called an "amphibolic pathway" because:
1. It operates only under aerobic conditions.
2. It involves both synthesis (anabolism) and breakdown (catabolism) of biomolecules.
3. It generates \(CO_2, NADH\) and \(FADH_2\) simultaneously.
4. It occurs only in the mitochondria of animals
Subtopic:  The Respiratory Balance Sheet |
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Identify the incorrect statement:
1. If fatty acids were to be respired they would first be degraded to acetyl CoA and enter the respiratory pathway.                         
2. Glycerol would enter the respiratory pathway after being converted to PGAL
3. Proteins and amino acids cannot enter the respiratory pathway                         
4. Because the respiratory pathway is involved in both anabolism and catabolism, it would hence be better to consider the respiratory pathway as an amphibolic pathway rather than as a catabolic one.
Subtopic:  The Respiratory Balance Sheet |
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Level 2: 60%+
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