Why is it advantageous for two control mechanisms —allosteric control and covalent modification—to be involved in the metabolism of glycogen?
Answer to relevant QuestionsExplain how fructose-2,6-bisphosphate can play a role in more than one metabolic pathway. Using the Lewis electron-dot notation, show explicitly the transfer of electrons in the following redox reaction. Glucose-6-phosphate + NADP+ → 6-Phosphoglucono-d-lactone + NADPH + H+ What are the similarities and differences between the re-actions catalyzed by pyruvate dehydrogenase and α-ketoglutarate dehydrogenase? How could the expression “milking it for all it’s worth” relate to the citric acid cycle? Which is more favorable energetically, the oxidation of succinate to fumarate by NAD+ or by FAD? Give the reason for your answer.
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