Explain the logic of this pathway regulations: Insulin leads to activation of glycogen synthase
Explain the logic of this pathway regulations:
Insulin leads to activation of glycogen synthase
Homework Answers
Answer
The major function of insulin in glucose metabolism is to control the control of the blood glucose level when it goes up by the increasing glucose mobilization into the cell for utilization or increase the glycogen synthesis. So, insulin regulates the glycogen metabolism in a way that it activates the glycogen synthase to convert excess glucose into glycogen, therefore regulate the blood glucose level.
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Explain the logic of this pathway regulations:
Insulin leads to activation of glycogen synthase
Can someone please explain to me how the inactivation of GSK3 leads to the promotion of...
Can someone please explain to me how the inactivation of GSK3
leads to the promotion of glycogen synthesis? I don't need to know
about the pathway that occurs before, I just need to know whether
the phosphorylation of glycogen synthase A or B stimulates glycogen
synthesis, and what states they normally exist in.
Glycolysis Insulin Phosphoserines near carboxyl terminus 3ADP ЗАТР ADP GSK3 СКІ ATP АТР HOT HOHOHO HO Glycogen synthase Glycogen synthase b Inactive 1 1 Active 3P: PP1...
1. Which of the following is true regarding glycogen metabolism? a. Glycogen synthase is activated by...
1. Which of the following is true regarding glycogen metabolism? a. Glycogen synthase is activated by phosporylation. b. Glycogen phosphorylase kinase activates glycogen phosphorylase through phosphorylation. c. The activation of PKA is downstream of insulin signaling in muscle cells. d. Glycogen phosphorylase releases free glucose from the ends of glycogen.
Which of the following statements concerning signal transduction by the insulin receptor is NOT correct? A....
Which of the following statements concerning signal transduction by the insulin receptor is NOT correct? A. The insulin receptor substrate protein IRS-1 in its phosphorylated form activates other proteins. B. The pathway for insulin-stimulated transcription of specific genes involves the protein Ras. C. The insulin receptor phosphorylates itself in the activation process. D. Insulin stimulation of the insulin receptor initiates a cascade of events causing activation of glycogen synthase. E. The receptor protein kinase activity is specific for serine residues...
Sort the following into activators or inhibitors of glycogen synthase. Items (6 items) (Drag and drop...
Sort the following into activators or inhibitors of glycogen synthase. Items (6 items) (Drag and drop into the appropriate area below) Epinephrine Insulin Glycogen synthase kinase 3 Protein kinase A (PKA) Protein phosphatase 1 Glucagon Categories Activators Inhibitors Drag and drop here Drag and drop here
€ → C .ap2020.collegeboard.org/Praott-aa857320- glucagon (a) A cell where PKB is always active has a mutation...
€ → C .ap2020.collegeboard.org/Praott-aa857320- glucagon (a) A cell where PKB is always active has a mutation that results in the permanent activation of GSK3. Based on the information in Figure 2, predict the effect of this mutation on the activity of glycogen synthase. (b) Justify your prediction in part (a). Describe the process that results in the activation of multiple copies of PKB in response to the binding of a single molecule of insulin to its receptor. (d) Explain why...
The hormone glucagon initiates a signal transduction pathway that leads to the activation of Group of...
The hormone glucagon initiates a signal transduction pathway that leads to the activation of Group of answer choices adenylate cyclase cyclic AMP-dependent protein kinase phosphorylase kinase a, b, & c a & c
An increase in intracellular phosphoinositol 3,4,5 triphosphosphate (PIP3): leads to the activation of PI-3 kinase. leads...
An increase in intracellular phosphoinositol 3,4,5 triphosphosphate (PIP3): leads to the activation of PI-3 kinase. leads to glucose absorption via GLUT 4 in the muscle and adipose. is accomplished by the GTP-bound Gs alpha-subunit. leads to glycogen breakdown in the liver. is an intermediate in glucagon signaling that primarily occurs in the liver and adipose tissues. The following metabolic effects are accomplished by glucagon signaling: mobilization and fusion with the membrane of GLUT 4 carrying vesicles within adipose and muscle...
8. The figure on the right is a glycogen phosphorylase (7 pts). Quo), (1) Two hormones...
8. The figure on the right is a glycogen phosphorylase (7 pts). Quo), (1) Two hormones regulate glycogen phosphorylase. Explain the effect of each hormone on this enzyme, especially for a) phosphorylation status (phosphorylated vs. non-phosphorylated), and b) the enzyme activity (activated vs. inactivated) of this enzyme (4 pts). Glucagon: Insulin: (2) Glycogen synthase is a processive enzyme. What may be the unique structural feature of glycogen synthase that makes it a processive enzyme? (3 pts)
Explain how insulin and glucagon regulate the balance (i.e, homeostasis) between glycogen and glucose when epinephrine...
Explain how insulin and glucagon regulate the balance (i.e, homeostasis) between glycogen and glucose when epinephrine (i.e., adrenalin) is not involved.
Type 0 glycogen storage disease (GSD 0) is affecting glycogen synthase in the liver by slowing...
Type 0 glycogen storage disease (GSD 0) is affecting glycogen synthase in the liver by slowing down glycogenesis. In general, GSD 0 develops in the early childhood causing symptoms, such as fatigue, vomiting, and looking pale. The medical doctor recommends frequent meals/snacks every 3-4 hours, keto diet based on fat rich meal and avoid fasting. Please explain why this treatment could be efficient for GSD 0. State your answer in full sentence related to the glucose concentration in blood plasma.
Can someone please explain to me how the inactivation of GSK3
leads to the promotion of glycogen synthesis? I don't need to know
about the pathway that occurs before, I just need to know whether
the phosphorylation of glycogen synthase A or B stimulates glycogen
synthesis, and what states they normally exist in.
Glycolysis Insulin Phosphoserines near carboxyl terminus 3ADP ЗАТР ADP GSK3 СКІ ATP АТР HOT HOHOHO HO Glycogen synthase Glycogen synthase b Inactive 1 1 Active 3P: PP1...
Sort the following into activators or inhibitors of glycogen synthase. Items (6 items) (Drag and drop into the appropriate area below) Epinephrine Insulin Glycogen synthase kinase 3 Protein kinase A (PKA) Protein phosphatase 1 Glucagon Categories Activators Inhibitors Drag and drop here Drag and drop here
€ → C .ap2020.collegeboard.org/Praott-aa857320- glucagon (a) A cell where PKB is always active has a mutation that results in the permanent activation of GSK3. Based on the information in Figure 2, predict the effect of this mutation on the activity of glycogen synthase. (b) Justify your prediction in part (a). Describe the process that results in the activation of multiple copies of PKB in response to the binding of a single molecule of insulin to its receptor. (d) Explain why...
An increase in intracellular phosphoinositol 3,4,5 triphosphosphate (PIP3): leads to the activation of PI-3 kinase. leads to glucose absorption via GLUT 4 in the muscle and adipose. is accomplished by the GTP-bound Gs alpha-subunit. leads to glycogen breakdown in the liver. is an intermediate in glucagon signaling that primarily occurs in the liver and adipose tissues. The following metabolic effects are accomplished by glucagon signaling: mobilization and fusion with the membrane of GLUT 4 carrying vesicles within adipose and muscle...
8. The figure on the right is a glycogen phosphorylase (7 pts). Quo), (1) Two hormones regulate glycogen phosphorylase. Explain the effect of each hormone on this enzyme, especially for a) phosphorylation status (phosphorylated vs. non-phosphorylated), and b) the enzyme activity (activated vs. inactivated) of this enzyme (4 pts). Glucagon: Insulin: (2) Glycogen synthase is a processive enzyme. What may be the unique structural feature of glycogen synthase that makes it a processive enzyme? (3 pts)
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