Principles of Human Physiology, Books a la Carte Plus Mastering A&P with Pearson eText -- Access Card Package (6th Edition)
6th Edition
ISBN: 9780134428970
Author: Cindy L. Stanfield
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 24E
Compare and contrast the mechanisms of substrate-level phosphorylation and oxidative phosphorylation, and describe the role of each in glucose oxidation.
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Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many substrate level phosphorylation events occur from a single molecule of glucose?
6 substrate level phosphorylation events
4 substrate level phosphorylation events
3 substrate level phosphorylation events
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Chapter 3 Solutions
Principles of Human Physiology, Books a la Carte Plus Mastering A&P with Pearson eText -- Access Card Package (6th Edition)
Ch. 3.1 - What is the primary distinction between an...Ch. 3.1 - Describe in general terms what occurs in...Ch. 3.2 - In an exergonic reaction, which has more...Ch. 3.2 - Which factor determines the direction of a...Ch. 3.2 - Prob. 3.2.3QCCh. 3.2 - What is activation energy? How does it affect a...Ch. 3.3 - Prob. 3.3.1QCCh. 3.3 - How is the rate of an enzymatic reaction affected...Ch. 3.3 - What is the primary distinction between allosteric...Ch. 3.5 - Prob. 3.4.1QC
Ch. 3.5 - Prob. 3.4.2QCCh. 3.5 - Prob. 3.4.3QCCh. 3.6 - Prob. 1CTQCh. 3.6 - Prob. 2CTQCh. 3.6 - Prob. 3CTQCh. 3.6 - Prob. 3.5.1QCCh. 3.6 - Prob. 3.5.2QCCh. 3.6 - Prob. 3.5.3QCCh. 3.6 - Prob. 3.5.4QCCh. 3.7 - Prob. 3.6.1QCCh. 3.7 - Prob. 3.6.2QCCh. 3.7 - Prob. 3.6.3QCCh. 3 - Prob. 1ECh. 3 - Prob. 2ECh. 3 - Prob. 3ECh. 3 - Prob. 4ECh. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Prob. 10ECh. 3 - The removal of hydrogen atoms from a molecule is...Ch. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - Prob. 21ECh. 3 - Prob. 22ECh. 3 - Prob. 23ECh. 3 - Compare and contrast the mechanisms of...Ch. 3 - Explain how the conversion of pyruvate to lactate...Ch. 3 - Prob. 26ECh. 3 - Prob. 27ECh. 3 - As you know, fatty acids can be oxidized to...Ch. 3 - Prob. 29E
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- Using the ActiveModel for enoyl-CoA dehydratase, give an example of a case in which conserved residues in slightly different positions can change the catalytic rate of reaction.arrow_forwardComplete oxidation of a 16-carbon fatty acid can yield 129 molecules of ATP Study Figure 19.2 and determine how many ATP molecules would be generated if a 16-carbon fatly acid were metabolized solely by the TCA cycle, in the form of S acetyl-CoA molecules.arrow_forwardBriefly describe the fate of pyruvate in metabolism under anaerobic versus aerobic conditions.arrow_forward
- Explain the basic steps in the Krebs cycle, its input and output, andhow it is linked to oxidative phosphorylation.arrow_forwardIdentify where sugar oxidation, substrate-level phosphorylation, and the reduction of NAS+ occurs in glycolysisarrow_forwardCalculate the ATP yield from complete oxidation of maltose by the reaction of glycolysis, citric acid cycle, electron transport chain and oxidative phosphorylation.arrow_forward
- Consider fatty acids from the hydrolysis of the given TAG in a liver cell where amino acid and nucleotide biosynthesis is very active For each fatty acid given, determine the following. Gross ATP from b-oxidation cycles Gross ATP from acetyl CoA produced Gross ATP from conversion of propionyl CoA (if applicable) Total number of ATP deducted Total net ATParrow_forwardExplain in bioenergetic terms how the conversion of pyruvate to phosphoenolpyruvate in gluconeogenesis overcomes the large, negative, standard free-energy change of the pyruvate kinase reaction in glycolysis.arrow_forwardSubstrate- level phosphorylation occurs _____. during oxidative phosphorylation in the citric acid cycle in glycolysis in both glycolysis and the citric acid cyclearrow_forward
- Which of the following sequences represents the correct general sequence of oxidative fatty acid catabolism? (1) NAD+ dependent oxidation(2) FAD-dependent oxidation(3) thiolysis(4) hydration Please explain...thanksarrow_forwardXylulose-5-phosphate is an intermediate in the pentose phosphate pathway (see Figure). As xylulose-5-phosphate levels rise in response to excess glucose shunting through the pentose phosphate pathway, does flux through glycolysis increase or decrease?arrow_forwardOf the 36 molecules of ATP produced by the complete metabolism of glucose, how many are produced directly in glycolysis alone, that is, before the common pathway?arrow_forward
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