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 activity
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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? phosphatase activity phosphorylase activity glucosidase activity transferase activityWhich of the following drives glycogenesis forward? O Phosphorylated glycogen synthase Dephosphorylated glycogen phosphorylase O Dephosphorylated glycogen synthase O Phosphorylated glycogen phosphorylaseWhat 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 Answer
- At normal to low blood glucose concentrations (1.e., roughly 110 mg/dl or less), the enzyme that is responsible for sequestering or trapping glucose within cells is which of the following enzymes? O hexokinase O glycogen synthase O glucose-6-phosphatase O glucokinaseGlucose binds to glycogen phosphorylase and competitively inhibits the enzyme. What is the physiological advantage of this?Handwritten Identify the molecule names, enzyme name, enzyme classification and change in reaction(for glycolysis pathway)
- All the reactions involved during gluconeogenesis occur in the cytosol except the one catalyzed by phosphoenolpyruvate carboxylase. O True O FalseWhy does the lack of glucose 6- phosphatase activity in the brain and muscle make good physiological sense?Glycogen catabolism occurs when glucose monomers are cleaved from the glycogen molecule, catalyzed by glycogen phosphorylase. Which of the glucose monomers within the following glycogen molecule below are can be hydrolyzed using this enzyme? (Choose all the spots that are applicable) HO HO CH
- The enzyme is considered to be alan * ÇOO ÇOO Lactate dehydrogenase HO-C-H+ NAD C=0 + NADH + H CH: Pyruvate Lactate O Oxydoreductase O Isomerase O Hydrolase O Ligase O DehydrataseIn 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 triglyceridesWhich enzyme deficiency is most likely to cause glycogen to be full of short, stubby branches compared to normally structure glycogen in the affected organ? Explain. Muscle branching enzyme Liver debranching enzyme Muscle phosphorylase Liver glycogen synthase Glycogenin