4. Which step in the glycolytic pathway would ensure that glucose is fated for glycolysis? 5. During strenuous activity, the demand for ATP in muscle tissue isd vastly increased. In rabbit leg muscle or turkey flight muscle, the ATP is produced almost exclusively by lactic acid fermentation ATP is formed in the payoff phase of glycolysis by two reactions. promoted by phosphoglycerate kinase and pyruvate kinase. Suppose skeletal muscle were devoid of lactate dehydrogenase. Could it carry out the strenuous physical activity; that is, could it generate ATP at a high rate by glycolysis? Explain. 6. The transformation of glucose to lactate n myocytes releases only about 7% of the free energy released when glucose is completely oridi
4. Which step in the glycolytic pathway would ensure that glucose is fated for glycolysis? 5. During strenuous activity, the demand for ATP in muscle tissue isd vastly increased. In rabbit leg muscle or turkey flight muscle, the ATP is produced almost exclusively by lactic acid fermentation ATP is formed in the payoff phase of glycolysis by two reactions. promoted by phosphoglycerate kinase and pyruvate kinase. Suppose skeletal muscle were devoid of lactate dehydrogenase. Could it carry out the strenuous physical activity; that is, could it generate ATP at a high rate by glycolysis? Explain. 6. The transformation of glucose to lactate n myocytes releases only about 7% of the free energy released when glucose is completely oridi
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. Which step in the glycolytic pathway would ensure that glucose
is fated for glycolysis?
5. During strenuous activity, the demand for ATP in muscle tissue is
vastly increased. In rabbit leg muscle or turkey flight muscle. the
ATP is produced almost exclusively by lactic acid fermentation
ATP is formed in the payoff phase of glycolysis by two reactions
promoted by phosphoglycerate kinase and pyruvate kinase
Suppose skeletal muscle were devoid of lactate dehydrogenase.
Could it carry out the strenuous physical activity; that is, could it
generate ATP at a high rate by glycolysis? Explain.
6. The transformation of glucose to lactate n myocytes releases
only about 7% of the free energy released when glucose is
completely oxidized to CO2 and H2O. Does this mean that
anaerobic glycolysis in muscle is a wasteful use of glucose?
Explain.
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