Its principal function is to increase the concentration of glucose in the blood by speeding the glycogenolysis and gluconeogenesis in the liver.
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Its principal function is to increase the concentration of glucose in the blood by speeding the glycogenolysis and gluconeogenesis in the liver.
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- _________lowers blood sugar levels; ____________ raises the level of blood sugar. a. Glucagon; insulin b. Insulin; glucagon c. Gastrin; insulin d. Gastrin; glucagonGlucose can be made from oxaloacetate during gluconeogenesis, but if oxaloacetate concentrations are decreased,what other substance can be used to make glucose? How might this contribute to increased fat loss?Glucagon stimulates _____________________ in the liver. A. glycogenolysis and gluconeogenesis B. gluconeogenesis C. glycogenesis D. glycogenolysis
- you follow a carbohydrate-free diet, certain metabolic problems occur. Describe glucogenesis and the problems that may arise from this prolonged glucogenesis state.Which of the following statements concerning gluconeogenesis is NOT true? a. Gluconeogenesis is to make glucose from glycogen. b. Many of the reactions of gluconeogenesis are glycolytic reactions going in reverse. c. The process of gluconeogenesis consumes ATP. d. The process of gluconeogenesis is regulated by ATP. e. Gluconeogenesis maintains the blood glucose level long after all dietary glucose has been absorbed and oxidized.The body doesn’t have a reserve of proteins or amino acids for energy production. Which class of protein may be used initially during fasting to maintain glucose and energy levels? What is the difference between a glucogenic and ketogenic amino acid and why are both important during fasting?
- "among the amino acids which is directly converted into pyruvate for gluconeogenesis"a. theorine b. alanine c. cysteine d. serineMetabolic ketoacidosis is a common problem with diabetics, which is caused by which of the following? Excessive oxidation of fatty acids, leading to an accumulation of ketone bodies in the blood. Excessive oxidation of glucose, leading to an accumulation of ketone bodies in the blood. Excessive oxidation of proteins, leading to an accumulation of ammonia in the blood. Hyperglycemia.Administration of insulin decreases the blood concentration of ketone bodies in patients with diabetic ketoacidosis by which of the following mechanisms?A) Decreasing formation of ketone bodies in skeletal muscleB) Decreasing lipolysis in adipose tissueC) Increasing hepatic activity of carnitine acyltransferaseD) Increasing hepatic levels of acetyl CoAE) Increasing hepatic oxidation of ketone bodies