
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 24 Solutions
General, Organic, and Biological Chemistry
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