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- Which enzyme activity of the glycogen debranching enzyme is operating during the release of glucose units linked to glycogen branchpoints via a1,6 glycosidic linkage? O phosphorylase activity O phosphatase activity O transferase activity O glucosidase activityIn class, I mentioned that fructose is metabolized differently in the liver compared to glucose. Refer to the figure shown below to calculate the number ofATPs you would expect from the metabolism of fructose in the liver. Show your work! Fructokinase Fructose Fructose-1-P АТР ADP Aldolase B Dihydroxy- acetone phosphate Glyceraldehyde АТР Triose kinase Triose phosphate isomerase ADP 4 - Glyceraldehyde-3-P Glycolysis Руruvate Acetyl-CoA Fatty acids and triglyceridesPair the reactions mentioned on the left with the names of the enzymes on the right. 1,3-bisphosphoglycerate to 3-phosphoglycerate [ Choose ] [ Choose ] 3-Phosphoglycerate to 2-Phosphoglycerate Phosphoglucoisomerase Phosphoglycerate kinase Pyruvate Kinase Glucose-6-P to Fructose-6-P Phosphoglyceromutase Triose phosphate isomerase Dihydroxyacetone phosphate to Glyceraldehyde [ Choose ] 3-Phosphate Phosphoenolpyruvate to Pyruvate [Choose ]
- Which of the following drives glycogenesis forward? O Phosphorylated glycogen synthase Dephosphorylated glycogen phosphorylase O Dephosphorylated glycogen synthase O Phosphorylated glycogen phosphorylaseWhich steps are part of the energy investing half of glycolysis? OPhosphorylation Isomerization Second Phosphorylation Cleavage Conversion of DHAP into GADP O Dephosphorylation Phosphate transfer O Dehydration Second dehydrationWhich steps are part of the energy investing half of glycolysis? Phosphorylation Isomerization Second Phosphorylation O Cleavage Conversion of DHAP into GADP ODephosphorylation U Phosphate transfer Dehydration Second dehydration
- What enzyme catalyzes the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate? O fructose 2,6-bisphosphatase O phosphofructokinase-2 O fructose 1,6-bisphosphatase O phosphofructokinase-1What is the main enzyme that serves as the control point in the regulation of glycolysis? Hexokinase O Phosphoglyceromutase O Pyruvate kinase O Phosphofructokinase O IsomeraseWhich of the following conditions will produce active glycogen phosphorylase? AMP АТР Phosphorylation of Serine 14 Glucose Glucose-6-Phosphate Phosphorylation of Serine 14 and AMP Phosphorylation of Serine 14 and ATP
- What is the effect of a defective a(1→ 4) phosphatase in Pompe's disease (GSD II)? O Accumulation of abnormal, unbranched glycogen, leading to heart or liver failure and short fife expectancy O Glycogen accumulation in heart, leading to heart failure, muscle weakness, short life expectancy O Absence of UDP-glucose conversion to glycogen, leading to lack of muscle glycogen, exercise intolerance Glycogen accumulation due to lack of glucose-6-phosphate conversion to glucose, leading to liver enlargement, hypoglycemia, short life expectancy O Lack of complete degradation of glycogen to glucose. leading to mild hypoglycemia, enlarged liver and muscle weakness Submit Request AnswerWhich of the following glycolytic enzymes catalyzes the conversion of fructose-1,6-bisphosphate into the two product molecules dihydroxyacetone phosphate, and glyceraldehyde-3-phosphate? phosphoglycerate kinase pyruvate kinase malate dehydrogenase aldolase phosphofructokinaseMatch the following molecules with their functions. Molecules CAMP Protein kinase A Glycogen phosphorylase Phosphoglucomutase Functions Converts glucose 1-P to glucose 6-P Phosphorylates a substrate using an inorganic phosphate Second messenger that can activate downstream proteins Phosphorylates a protein using ATP