Concept explainers
(a)
Interpretation:
Glucose-6-phosphate is encountered in which of the four processes glycolysis, glycogenesis, glycogenolysis, and gluconeogenesis has to be indicated.
Concept introduction:
In the glycolysis
Gluconeogenesis is an eleven-step pathway in which glucose is produced from non-carbohydrate substances. Glycogenesis is the metabolic pathway that converts glucose-6-phosphate to glycogen. Glycogenolysis is the metabolic pathway that converts glycogen to glucose-6-phosphate.
Glucose-6-phosphate is an activated glucose molecule. The structure of glucose-6-phosphate is as follows:
(b)
Interpretation:
Dihydroxyacetone phosphate is encountered in which of the four processes glycolysis, glycogenesis, glycogenolysis, and gluconeogenesis has to be indicated.
Concept introduction: In the glycolysis metabolic pathway, a glucose molecule breaks down into two pyruvate molecules. Two ATP molecules and NADH reduced coenzymes are produced in the glycolysis pathway.
Gluconeogenesis is an eleven-step pathway in which glucose is produced from non-carbohydrate substances. Glycogenesis is the metabolic pathway that converts glucose-6-phosphate to glycogen. Glycogenolysis is the metabolic pathway that converts glycogen to glucose-6-phosphate.
The structure of dihydroxyacetone phosphate is as follows:
(c)
Interpretation:
Oxaloacetate is encountered in which of the four processes glycolysis, glycogenesis, glycogenolysis, and gluconeogenesis has to be indicated.
Concept introduction:
In the glycolysis metabolic pathway, a glucose molecule breaks down into two pyruvate molecules. Two ATP molecules and NADH reduced coenzymes are produced in the glycolysis pathway.
Gluconeogenesis is an eleven-step pathway in which glucose is produced from non-carbohydrate substances. Glycogenesis is the metabolic pathway that converts glucose-6-phosphate to glycogen. Glycogenolysis is the metabolic pathway that converts glycogen to glucose-6-phosphate.
The structure of oxaloacetate is as follows:
(d)
Interpretation:
UDP-glucose is encountered in which of the four processes glycolysis, glycogenesis, glycogenolysis, and gluconeogenesis has to be indicated.
Concept introduction:
In the glycolysis metabolic pathway, a glucose molecule breaks down into two pyruvate molecules. Two ATP molecules and NADH reduced coenzymes are produced in the glycolysis pathway.
Gluconeogenesis is an eleven-step pathway in which glucose is produced from non-carbohydrate substances. Glycogenesis is the metabolic pathway that converts glucose-6-phosphate to glycogen. Glycogenolysis is the metabolic pathway that converts glycogen to glucose-6-phosphate.
The structure of UDP-glucose is as follows:
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Chapter 13 Solutions
EBK ORGANIC AND BIOLOGICAL CHEMISTRY
- Draw the a-anomer cyclized pyranose Haworth projection of the below hexose. Circle the anomeric carbons. Number the carbons on the Fischer and Haworth projections. Assign R and S for each chiral center. HO CHO -H HO -H H- -OH H -OH CH₂OH Draw the ẞ-anomer cyclized furanose Haworth projection for the below hexose. Circle the anomeric carbons. Number the carbons on the Fischer and Haworth projections. HO CHO -H H -OH HO -H H -OH CH₂OHarrow_forwardName the below disaccharide. Circle any hemiacetals. Identify the numbering of glycosidic linkage, and identify it as a or ẞ. OH HO HO OH HO HO HO OHarrow_forwardWhat are the monomers used to make the following polymers? F. а. b. с. d. Вецер хочому なarrow_forward
- 1. Propose a reasonable mechanism for the following transformation. I'm looking for curved mechanistic arrows and appropriate formal charges on intermediates. OMe MeO OMe Me2N NMe2 OTBS OH xylenes OMe 'OTBSarrow_forwardWhat is the polymer made from the following monomers? What type of polymerization is used for each? а. ОН H2N но b. ن -NH2 d. H₂N NH2 довarrow_forwardCondensation polymers are produced when monomers containing two different functional groups link together with the loss of a small molecule such as H2O. The difunctional monomer H2N(CH2)6COOH forms a condensation polymer. Draw the carbon-skeleton structure of the dimer that forms from this monomer.arrow_forward
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- 3. Enter the molecular weight of the product obtained from the Williamson Ether Synthesis? OH OH & OH excess CH3l Ag₂Oarrow_forwardPlease answer 1, 2 and 3 on the endarrow_forwardIn the box below, specify which of the given compounds are very soluble in polar aprotic solvents. You may select more than one compound. Choose one or more: NaCl NH4Cl CH3CH2CH2CH2CH2CN CH3CH2OH hexan-2-one NaOH CH3SCH3arrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningGeneral, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,
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