FUNDAMENTALS OF BIOCHEMISTRY-ACCESS
5th Edition
ISBN: 9781119498742
Author: Voet
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Question
Chapter 15, Problem 19E
Summary Introduction
To draw: The enediolate intermediate of the ribulose-5-phosphate isomerase reaction of ribulose-5-phosphate to ribose-5-phosphate.
Concept introduction: The alternative pathway of glucose oxidation is the pentose phosphate pathway, which includes 2 phases namely oxidative phase and non-oxidative phase. The principal products of the pentose phosphate pathway are the ribose-5-phosphate and NADPH.
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which type of enzyme catalyses the following reaction? oxidoreductase, transferase, hydrolase, lyase, isomerase, or ligase.
+NH+
CO₂
+P
H₂N
+ ATP
H₂N
NH₂
+ADP
Which type of enzyme catalyses the following reaction? oxidoreductase, transferase, hydrolase, lyase, isomerase, or ligase.
Chapter 15 Solutions
FUNDAMENTALS OF BIOCHEMISTRY-ACCESS
Ch. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - 3. The reversible reaction shown here is part of...Ch. 15 - 4. Step 4 of the pentose phosphate pathway...Ch. 15 - 5. The aldolase reaction can proceed in revere as...Ch. 15 - Prob. 6ECh. 15 - 7. Identify the intermediate in the...Ch. 15 - 8. The compound you identified in Problem 7 is a...Ch. 15 - 9. The pyruvate ? lactate reaction in animals is...Ch. 15 - Prob. 10E
Ch. 15 - 11. Why is it possible for the ?G values in Table...Ch. 15 - 12. If a reaction has a ?G0' value of at least...Ch. 15 - 13. Although it is not the primary flux-control...Ch. 15 - 14. What is the advantage of activating pyruvate...Ch. 15 - 15. Tumor cells, which tend to grow rapidly,...Ch. 15 - 16. The pyruvate kinase isozyme in cancerous cells...Ch. 15 - 17. Compare the ATP yield of three glucose...Ch. 15 - 18. If G6P is labeled at its C2 position, where...Ch. 15 - Prob. 19ECh. 15 - Prob. 20ECh. 15 - Prob. 21ECh. 15 - 22. Describe the products of the transketolase...Ch. 15 - Prob. 23CQCh. 15 - 24. The enzyme phosphoglucomutase interconverts...Ch. 15 - 25. You combine 0.2 g of yeast. 0.2 g of sucrose...Ch. 15 - 26. Nerve cells require a source of free energy to...Ch. 15 - Prob. 27CQCh. 15 - Prob. 28CQCh. 15 - 29. Consider the pathway for catabolizing...Ch. 15 - 30. Yeast take up and metabolize galactose, using...Ch. 15 - 31. (a) Describe how glycerol enters the...Ch. 15 - 32. Some organisms can anaerobically convert...Ch. 15 - 33. Explain why some tissues continue to produce...Ch. 15 - 34. Some bacteria catabolize glucose by the...Ch. 15 - Prob. 35CQCh. 15 - 36. For enzymes a–e in Problem 35, identify their...Ch. 15 - Prob. 1MTE
Knowledge Booster
Similar questions
- Which features of the curves in Figure 30-2 indicates that the enzyme is not consumed in the overall reaction? ES is lower in energy that E + S and EP is lower in energy than E + P. What does this tell you about the stability of ES versus E + S and EP versus E + P.arrow_forwardLooking at the figure 30-5 what intermolecular forces are present between the substrate and the enzyme and the substrate and cofactors.arrow_forwardprovide short answers to the followings Urgent!arrow_forward
- Pyruvate is accepted into the TCA cycle by a “feeder” reaction using the pyruvatedehydrogenase complex, resulting in acetyl-CoA and CO2. Provide a full mechanismfor this reaction utilizing the TPP cofactor. Include the roles of all cofactors.arrow_forwardB- Vitamins are converted readily into important metabolic cofactors. Deficiency inany one of them has serious side effects. a. The disease beriberi results from a vitamin B 1 (Thiamine) deficiency and ischaracterized by cardiac and neurological symptoms. One key diagnostic forthis disease is an increased level of pyruvate and α-ketoglutarate in thebloodstream. How does this vitamin deficiency lead to increased serumlevels of these factors? b. What would you expect the effect on the TCA intermediates for a patientsuffering from vitamin B 5 deficiency? c. What would you expect the effect on the TCA intermediates for a patientsuffering from vitamin B 2 /B 3 deficiency?arrow_forwardDraw the Krebs Cycle and show the entry points for the amino acids Alanine,Glutamic Acid, Asparagine, and Valine into the Krebs Cycle - (Draw the Mechanism). How many rounds of Krebs will be required to waste all Carbons of Glutamic Acidas CO2?arrow_forward
- Sodium fluoroacetate (FCH 2CO2Na) is a very toxic molecule that is used as rodentpoison. It is converted enzymatically to fluoroacetyl-CoA and is utilized by citratesynthase to generate (2R,3S)-fluorocitrate. The release of this product is a potentinhibitor of the next enzyme in the TCA cycle. Show the mechanism for theproduction of fluorocitrate and explain how this molecule acts as a competitiveinhibitor. Predict the effect on the concentrations of TCA intermediates.arrow_forwardIndicate for the reactions below which type of enzyme and cofactor(s) (if any) wouldbe required to catalyze each reaction shown. 1) Fru-6-P + Ery-4-P <--> GAP + Sed-7-P2) Fru-6-P + Pi <--> Fru-1,6-BP + H2O3) GTP + ADP <--> GDP + ATP4) Sed-7-P + GAP <--> Rib-5-P + Xyl-5-P5) Oxaloacetate + GTP ---> PEP + GDP + CO 26) DHAP + Ery-4-P <--> Sed-1,7-BP + H 2O7) Pyruvate + ATP + HCO3- ---> Oxaloacetate + ADP + Piarrow_forwardTPP is also utilized in transketolase reactions in the PPP. Give a mechanism for theTPP-dependent reaction between Xylulose-5-phosphate and Ribose-5-Phosphate toyield Glyceraldehyde-3-phosphate and Sedoheptulose-7-Phosphate.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- BiochemistryBiochemistryISBN:9781319114671Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.Publisher:W. H. FreemanLehninger Principles of BiochemistryBiochemistryISBN:9781464126116Author:David L. Nelson, Michael M. CoxPublisher:W. H. FreemanFundamentals of Biochemistry: Life at the Molecul...BiochemistryISBN:9781118918401Author:Donald Voet, Judith G. Voet, Charlotte W. PrattPublisher:WILEY
- BiochemistryBiochemistryISBN:9781305961135Author:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougalPublisher:Cengage LearningBiochemistryBiochemistryISBN:9781305577206Author:Reginald H. Garrett, Charles M. GrishamPublisher:Cengage LearningFundamentals of General, Organic, and Biological ...BiochemistryISBN:9780134015187Author:John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. PetersonPublisher:PEARSON

Biochemistry
Biochemistry
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:W. H. Freeman

Lehninger Principles of Biochemistry
Biochemistry
ISBN:9781464126116
Author:David L. Nelson, Michael M. Cox
Publisher:W. H. Freeman

Fundamentals of Biochemistry: Life at the Molecul...
Biochemistry
ISBN:9781118918401
Author:Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:WILEY

Biochemistry
Biochemistry
ISBN:9781305961135
Author:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:Cengage Learning

Biochemistry
Biochemistry
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Cengage Learning

Fundamentals of General, Organic, and Biological ...
Biochemistry
ISBN:9780134015187
Author:John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher:PEARSON