The figure below summarises glycogen metabolism. Use the figure to answer the question:HexokinaseSelect one:Glycogen phosphorylase000GlucoseGlucose-6-phosphateGlucose-6-phosphatasePhosphoglucomutaseGlucose-1-phosphateGlycogenIdentify the enzymes that are activated in the well-fed state:a. Hexokinase, glycogen phosphorylaseb. Hexokinase, glycogen synthaseUDP-glucosepyrophosphorylaseUDP-glucoseGlycogen synthasec. Glycogen synthase, phosphoglucomutaseO d. Glycogen phosphorylase, glucose 6-phosphatase01:04ONDI00:0Report question issue Notes +

The term "well-fed state" describes a physiological condition in which a person has recently eaten…

Answered: The figure below summarises glycogen…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Choose the best answers for each missing word from the list below. ____ regulated by ATP, Aspartate transcarbamoylase (ATCase) is (1) which is a (2)________________ regulator, and by CTP which binds to the (3)____ subunit of ATCase and shifts the conformational equilibrium to the (4). T state. CTP regulation of ATCase is called (5)________ 1) allosterically, 2) positive, 3) regulatory, 4) inactive, 5) feedback inhibition 1) covalently 2) positive, 3) regulatory, 4) active, 5) feedback inhibition 1) allosterically, 2) negative, 3) regulatory, 4) inactive, 5) feedforward activation 1) allosterically, 2) negative, 3) catalytic, 4) active, 5) feedforward inhibition 1) irreversibly, 2) positive, 3) catalytic, 4) inactive, 5) feedback inhihition
Identify the structure of the metabolites below, and name their glycolytic enzyme and metabolic step: Glucose 6-phosphoglucose 1-phosphoglucose Fructose 1-, 6-biphosphofructose Phosphoenol pyruvate 2-phosphoglycerate 3-phosphoglycerate Lactate o Pyruvate
In the regulation of glycogen phosphorylase, which of the following statements is true? The inactive T form becomes activated when it gets dephosphorylated. The active R form is inhibited by glucose. Phosphoprotein phosphatase catalyzes the attachment of a phosphate group to a Ser residue in glycogen phosphorylase. The allosteric modulator glucose-6-phosphate promotes the conformation change from inactive T state to active R state.
A 16-year-old female is recently diagnosed with a deficiency of muscle glycogen phosphorylase. She and her family are concerned and ask the following questions. Based on what you know about skeletal muscle glycogenolysis and muscle metabolism, please respond to each question with a thoughtful answer that describes the metabolism in these various scenarios in language that your patient will understand, while also being sure to include the role of the relevant metabolic pathways, specific enzymes, and stimulus for their activity: I’m not sure I understand the issue. Can you explain how muscle glycogen is used normally during exercise? I really like to take long walks; will Istill be able to do this with my friends? As a result of this deficiency, will I need to get up at night to eat to maintain my blood glucose levels? Do I need to worry about producing excessive lactate during intense anaerobic exercise?
Which of the following glycolytic enzymes must consume ATP during phosphorylation of its preferred substrate molecule? phosphoglycerate mutase pyruvate kinase succinate dehydrogenase hexokinase phosphoglycerate kinase
Which of the following conditions is most likely to force a muscle cell to metabolize glucose anaerobically(fermentation) under normal oxygenation ? - Glyceraldehyde-3-phosphate dehydrogenase deficiency - Lactate dehydrogenase deficiency -Pyruvate kinase deficiency -Aldolase deficiency - Cytososic Glycerol-3-phosphate dehydrogenase deficiency
Please do not plarized
Below is an image showing how cellular respiration is regulated. Imagine someone ingested a toxin that prevents pyruvate from entering the mitochondria. Which of the following statements is true? Inhibits ATP Glucose GLYCOLYSIS Copyright 2018 Pearson Canada Inc. Fructose 6-phosphate Phosphofructokinase Fructose 1,6-bisphosphate Pyruvate Acetyl COA CITRIC ACID CYCLE Oxidative phosphorylation AMP I Stimulates Inhibits Citrate The amount of citrate in the cell would decrease, leading to a decrease in the activity of phosphofructokinse. The amount of citrate in the cell would increase, leading to a decrease in the activity of phosphofructokinse. The amount of citrate in the cell would decrease, leading to an increase in the activity of phosphofructokinse. The amount of citrate in the cell would increase, leading to an increase in the activity of phosphofructokinse.
Arsenate can replace inorganic phosphate in the reaction catalyzed by glyceraldehyde-3-phosphate dehydrogenase, causing glyceraldehyde-3-phosphate to be directly converted to 3-phosphoglycerate(NADH is still formed). Which of the following is absolutely true in case of arsenate poisoning -Glycolysis will stop - Glycolysis will still proceed with no net ATP gain - Glycolysis will not generate any form of energy - Glycolysis will still proceed, but with a net consumption of ATP - Glycolysis will proceed with lactate as end product
Please help me answer question below.
Match 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

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