Which one of the following statements is INCORRECT? Question 16Select one:a.Insulin stimulates the production of glycogen synthase enzyme, which favours glycogenesis in hepatocytes.b.Peptidase enzymes in the enterocyte cytoplasm degrade absorbed peptides into amino acids.c.Lipid storage ceases during fasting because there are minimal levels of insulin in the blood to synthesise lipoprotein lipase enzymed.The insulin receptor is a tyrosine kinase receptor that is comprised of 4 subunits: 2 membrane-spanning alpha subunits, and 2 insulin-binding beta subunits.e.Glucose enters the liver via the GLUT2 transporter, which is active regardless of the presence of insulin.

Which one of the following statements is INCORRECT? Question 5Select one:a.During exercise or fasting, inhibition of the pyruvate dehydrogenase enzyme allows us to burn fat while preserving our limited carbohydrate reserves.b.Insulin can inhibit ketogenesis by inhibiting the carnitine carrier protein located on the mitochondrial membrane.c.In adipocytes, insulin signalling allows excess acetyl CoA to leave the mitochondria to enter the lipogenesis pathwayd.The enzyme glucose-6-phosphatase (G6Pase) in skeletal muscle cells allows the cell to produce glucose for export into the bloodstream during hypoglycaemia.e.Insulin promotes the insertion of the GLUT4 transporter protein into the cell membrane through the phosphatidylinositol (PI) pathway.

Which one of the following statements is INCORRECT about the events that occur when glucose enters a hepatocyteQuestion 14Select one:a.Insulin inhibits lipolysis.b.Glucose enters the hepatocyte through the GLUT2 transporter protein.c.Excess acetyl CoA can enter the lipogenesis pathway.d.Insulin receptor activation inhibits enzymes that allow glucose oxidation through glycolysis and the Kreb’s cycle.e.Glucose is converted into glucose-6-phosphate (G6P), glucose-1-phosphate (G1P), then glycogen because insulin receptor activity activates glucokinase and glycogen synthase enzymes, respectively.

Which one of the following statements about the biochemical pathway for glucose-stimulated insulin secretion from the pancreas is INCORRECT?Question 4Select one:a.Glucose enters the pancreatic beta cell via GLUT2 transporters.b.The endoplasmic reticulum assists exocytosis of insulin from the beta cell.c.Glucose enters the pancreatic beta cell where it is used to fuel glycolysis and the Krebs cycle.d.Opened voltage-gated calcium channels are the only source of Ca2+ that triggers the release of insulin via exocytosis.e.ATP inhibits potassium (K+) channels on the cell membrane.

Which of the following is an effect of insulin?(1 Point) ketogenesisProtein synthesis and storageFat utilizationGluconeogenesisGlycogenolysis

Which one of the following statements regarding glucagon is TRUE?Question 20Select one:a.Glucagon generally works in opposition to insulin in order to decrease blood glucose levelsb.Glucagon generally works in opposition to insulin so only one hormone (glucagon or insulin) is present in the bloodstream at any one time.c.Glucagon receptors are activated by epinephrine to trigger a cell signalling cascade and stimulate fatty acid release from storaged.Glucagon and insulin are both stimulated by increased amino acids in the bloodstream.e.Both a and d are TRUE.