The hormone, glucagon, is released in the body when glucose levels are low. Briefly describe how each of the following participate in the response to glucagon: gluconeogenesis glycolysis F16BP F26BP PFK-1 PFK-2 FBPase-1 FBPase-2
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The hormone, glucagon, is released in the body when glucose levels are low. Briefly describe how each of the following participate in the response to glucagon:
gluconeogenesis
glycolysis
F16BP
F26BP
PFK-1
PFK-2
FBPase-1
FBPase-2
Step by step
Solved in 3 steps
- Which one of the following is NOT a metabolic effect of glucagon secretion? Select one: a. Increase in gluconeogenesis. b. Increased glycogenolysis. c. Increase in the activity of adenylate cyclase. d. Increased amino acid uptake by the muscles.Based on your understanding of the binding of insulin, select all of the following events that you would expect to occur in muscle cells due to insulin binding to receptors.Group of answer choices a. Glycogen synthesis is activated b. PFK is stabilized in the R-state and glycolysis is activated c. GLUT4 (transporters) are increased in concentration at the plasma membrane d. Fructose 2,6-bisphosphate increased levels aid in stabilization of the T-state fructose 1,6-bisphosphatase e. Gluconeogenesis is activated in response to elevated fructose 2,6-bisphosphate levels f. Phosphorylation cascades allow for covalent modifications that would aid in the breakdown of glycogen to allow for increased levels of glucose 6-phosphate in the cell g. Hexokinase is inhibited so glucose will not be brought into the cell in high amounts h. Glycogen breakdown pathway is inactivatedWhat do glucocorticoids and glucagon hav in common? They signal for? a. glycogen synthesis b. catabolism of expendable proteins c. production of cholesterol and steriods
- Under stressful conditions epinephrine is released from the adrenal medulla. The release of epinephrine has which of the following effects on glucose metabolism? A) glycogenolysis is stimulated B) glycogenesis is inhibited C) adenylate cyclase is activated D) Both A and B E) All of the above. Which of the following pathways is not stimulated by epinephrine? a. Glycogen degradation b. Mobilization of fatty acids from adipose tissue c. Glycogen synthesis d. Glycolysis in muscleThe hormone activating the glycogen synthase activity is a. Glucagon b. ACTH c. Epinephrine d. Insulin
- According to glycogen metabolism, which of the following statementsis/are not true? I. Insulin results in dephosphorylation and subsequentactivation ofglycogen synthase. II. cAMP is a second messenger that triggers an increase in glycogensynthesis. III. Release of epinephrine leads to increased glycogen breakdown. IV. Glucagon promotes glycogen breakdown. V. Glucose-6-phosphate is an allosteric inhibitor of.phosphorylase A) I and VB) III and VC) II onlyD) III and IVE) V onlyWhich one of the following is an enzyme ? Somatotropin Trypsin Glucagon InsulinInsulin stimulates which of the following pathways? a. Gluconeogenesis b. Triacylglycerol synthesis and storage c. Lipolysis and fatty acid mobilization d. Glycogen breakdown
- By what mechanisms are GLUT transporters added to the membrane of insulin-dependent cells after insulin binds to its receptor? -endocytosis -exocytosis -facilitated diffusion -paracellular transport -transcytosis Don't copy from Google i need unique answerWhich hormone stimulates phosphoprotein phosphatases to dephosphorylate glycogen phosphorylase and glycogen synthase, thus resulting in the formation of more glycogen? A. Cortisol B. Epinephrine C. Glucagon D. InsulinWhich of the following enzymes are activated after insulin binds to its receptor? (select all that apply) Protein Phosphatase-1 Glycogen Synthase Lipase Acetyl CoA Carboxylase Glycogen phosphorylase Glycogen phosphorylase kinase