BACKGROUND INFORMATION: Vinnie is a professional road cyclist participating in the 2020 Giro dâ€™Italia, a three-week race...

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Biology

BACKGROUND INFORMATION:
Vinnie is a professional road cyclist participating in the 2020Giro dâ€™Italia, a three-week race nearly 3,600 km in distance withsome stages exceeding altitudes of 2,700 m above sea level (i.e.,Stelvio Pass, Italy). As the newly hired head of thehigh-performance team, it is your responsibility to manage hispreparation for the event. You must demonstrate to your team afundamental understanding of physiology, the chronic adaptationsexpected from his training, and methods that could be implementedto improve the likelihood of success.
QUESTION:
The longest leg of the race is 228 km, during which energyintake is critical. Glycolysis and Î²-oxidation are processes thatbreak down carbohydrates (i.e., glucose, sucrose, fructose) andfatty acids, respectively.
A. Individually, what is the total ATP yield from one moleculeof glucose and one molecule of palmitate?
B. How did you reach these numbers (i.e., substrate yield anduse)?
C. Based on what you know about the yield and speed of these twopathways, do you recommend Vinnie ingest glucose or fatty acidsduring the race? (Hint, the cross-overconcept)

Answer & Explanation Solved by verified expert

4.2 Ratings (764 Votes)

A 1 molecule of glucose yields 34 ATP molecules 1 molecule of palmitate yields 108 ATP molecules B Oxidation of Glucose Glycolysis Breakdown of gluccose to 2 pyruvic acid molecules 4 ATP 2 NADHH Oxidative decarboxylation of 2 Pyruvic acid to See Answer

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