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Concept explainers
Interpretation: To identify the number of ATP molecules needed when a glucose unit is added to a growing glycogen chain.
Concept introduction: Glucose is a monosaccharide with the molecular formula
Adenosine triphosphate (ATP) is the energy currency of life that provides energy to carry out the
Glycogenesis is the metabolic pathway that converts
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Chapter 24 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Which of the following is a substrate for glycogen synthase? a. UTP-glucose b. Glucose 1-phosphate c. CDP-glucose d. UDP-glucosearrow_forwardIn muscle, glycogen phosphorylase is stimulated (activated) by a. Glucose b. AMP c. Glucose 6-phosphate d. ATParrow_forwardWhich of the following statements regarding formation of glucose - 1 - phosphate from glycogen is NOT CORRECT? A. It triggered by low blood glucose B. It requires ATP hydrolysis C. It is catalyzed by glycogen phosphorylase enzyme D. It involves the cleavage of an alpha (1- 4) bondarrow_forward
- Which of the following enzymes is NOT required to glycogen synthesis? a. branching Enzymes b. UDP-glucose pyrophosphorylase c. glycogen synthase d. glycogen phosphorylasearrow_forwardThe first product formed during glycogenolysis (glycogen degradation at alpha 1,4 glycosidic bonds) is: a. Glucose 6 Phosphate b. UDP-glucose c. Glucose 1 phosphate d. Glucose e. Glucose 1,6 bisphosphatearrow_forwardDuring which of the following conversions in Glycolysis is ATP generated? (more than one answer) a. 1,3-bisphophoglycerate to 3-phosphoglycerate b. Phosphoenolpyruvate to Pyruvate c. Fructose 6-Phosphate to Fructose 1,6-bisphosphate d. Glucose to Glucose 6-phosphatearrow_forward
- When there is no enough CTP that binds with aspartate transcarboxylase, the mechanism that takes place is; c. Positive feedback mechanism d. Negative feedback mechanism a. Homeostasis b. Glycolysisarrow_forwardWhich of the following statement about ATP formation in Glycolysis is True? a. Four ATP molecules are used in the Glycolysis of one molecule of Glucose b. Three ATP molecules are formed in the Glycolysis of one molecule of Glucose c. Two ATP molecules are used in the Glycolysis of one molecule of Glucose d. Two ATP molecules are formed in the Glycolysis of one molecule of Glucosearrow_forwardWhich of the following statements about glucose metabolism is correct? A. Glucagon increases the rate of glycolysis B. Glycolysis requires NADP+ C. In glycolysis, glucose is cleaved into two three-carbon product D. The end-product of glycolysis in red blood cells is pyruvate E. Glycogen is synthesized in the liver in response to insulin and exported to other tissues for use as a metabolic fuelarrow_forward
- Which of the following reactions would be inhibited in the presence of large amounts of an egg white protein that binds and sequesters biotin? a. Pyruvate to Lactate b. Pyruvate to Alanine c. Phosphoenolpyruvate to Pyruvate d. Pyruvate to oxaloacetatearrow_forwardWhich of the following enzymes is NOT operating during glycogenolysis? a. glycogen phosphatase b. glycogen phosphorylase c. glycogen debranching enzyme d. phosphoglucomutasearrow_forwardWhich of the following statements is/are FALSE about glycolysis? A. It is an anaerobic process. B. Some steps occur in cytosol, others in mitochondria. C. It is the conversion of glucose to lactate or ethanol. D. It is the 1st stage of glucose metabolism.arrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
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