Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Question
Chapter 21, Problem 24P
Interpretation Introduction
Interpretation:
Reasons for the exhausting experience in the vigorous exercising process.
Concept introduction:
A continuous functioning of muscle cells may lead to the depletion of stored glycogen and brain cells will experience exhaustion and an inability to normally function due to lack of sufficient glucose substrate supply.
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Chapter 21 Solutions
Biochemistry
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- Ingesting large amounts of glucose before a marathon might seem to be a good way of increasing the fuel stores. However, experienced runners do not ingest glucose before a race. What is the biochemical reason for their avoidance of this potential fuel? (Hint: Consider the effect of glucose ingestion on the level of insulin.)arrow_forwardProcess of exocytosis of insulinarrow_forwardSports drinks tend to contain large amounts of sugars, and some contain taurine in small amounts. Would you expect more of the effect of these performance aids to come from dietary carbohydrates or from the role of taurine in breaking down fats?arrow_forward
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- Fatty acids appear to stimulate insulin secretion to a much greater extent when glucose is also present. Why is this significant?arrow_forwardDescribe the advantages of using triacylglycerols as the principal source of stored metabolic energy.arrow_forwarda- During intense exercise the transformation glucose to lactate causes very less ATP production compared to aerobic glycolysis. Explain, does anaerobic glycolysis lead to waste of energy in muscle? b-Glycogen phosphorylase enzyme catalyzes the removal of glucose from glycogen. Describe, glycogen metabolism regulation through glycogen phosphorylase.arrow_forward
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