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25. The AG" for the reaction catalyzed by fructokinase is -8.4 kJ/mol at 37°C. What is...
6. A yeast variant was discovered that had a shorter glycolytic pathway. This "mutant" yeast made...
6. A yeast variant was discovered that had a shorter glycolytic pathway. This "mutant" yeast made a novel enzyme that catalyzed the following reaction: Glyceraldehyde-3-phosphate + H2 + NAD → 3-phosphoglycerate + NADH+H* A. Would you expect this novel yeast strain to grow well under anaerobic conditions using glucose as a carbon source? Explain. B. Would you expect this novel yeast strain to grow well under aerobic conditions using glucose as a carbon source? Explain.
3. Yeast can grow on glucose either anaerobically or aerobically. This choice is not available when...
3. Yeast can grow on glucose either anaerobically or aerobically. This choice is not available when yeast grow on glycerol: yeast can grow only aerobically on this carbon source. Glycerol is metabolized to form dihydroxyacetone phosphate (DHAP) by the following two reactions: glycerol + ATP →glycerol 3-phosphate + ADP glycerol 3-phosphate + NAD → DHAP + NADH + H+ This DHAP then enters the glycolytic pathway. Based on this information, please explain why yeast cannot grow on glycerol under anaerobic...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
6. A yeast variant was discovered that had a shorter glycolytic pathway. This "mutant" yeast made a novel enzyme that catalyzed the following reaction: Glyceraldehyde-3-phosphate + H2 + NAD → 3-phosphoglycerate + NADH+H* A. Would you expect this novel yeast strain to grow well under anaerobic conditions using glucose as a carbon source? Explain. B. Would you expect this novel yeast strain to grow well under aerobic conditions using glucose as a carbon source? Explain.
3. Yeast can grow on glucose either anaerobically or aerobically. This choice is not available when yeast grow on glycerol: yeast can grow only aerobically on this carbon source. Glycerol is metabolized to form dihydroxyacetone phosphate (DHAP) by the following two reactions: glycerol + ATP →glycerol 3-phosphate + ADP glycerol 3-phosphate + NAD → DHAP + NADH + H+ This DHAP then enters the glycolytic pathway. Based on this information, please explain why yeast cannot grow on glycerol under anaerobic...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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