Which of the following statements about gluconeogenesis is TRUE? Gluconeogenesis is one way to maintain blood glucose levels between meals. Gluconeogenesis converts fatty acids into glucose. Gluconeogenesis is activated by the hormone insulin. Gluconeogenesis reduces blood glucose levels after a carbohydrate-rich meal.
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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; glucagonWhich of the following statements about gluconeogenesis is correct? * Muscles have a large glycogen store which gives rise to blood glucose during prolonged starvation Fatty acids are plentiful in the blood during starvation and are used for glucose synthesis The enzyme glucose-6-phosphatase hydrolyses glucose-6-phosphate and is present in most cells. Gluconeogenesis enables the liver O to maintain blood glucose levels during starvationIn gluconeogenesis, how is glucose-6-phosphate converted to glucose? is converted to glucose by glucose-6-phosphatase. is converted to glucose by pyruvate kinase. is converted to glucose by hexokinase. is first converted to dihydroxyacetone phosphate before Glucose-6-phosphate Glucose-6-phosphate Glucose-6-phosphate Glucose-6-phosphate being converted to glucose.
- Its principal function is to increase the concentration of glucose in the blood by speeding the glycogenolysis and gluconeogenesis in the liver.Metabolic 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.Which of the following statements about the ketone bodies is/are TRUE? Produced during starvation and in diabetic patients Excess is transformed to acetone or hydroxybutyrate. Extreme amount of ketone bodies may cause ketosis in diabetics. Occurs during a high-lipid and low-protein diet.
- Glucose 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?A deficiency in which of the following B vitamins would result in symptoms similar to those seen in glycogen storage disorders such as McArdle Disease and Hers Disease? OPyridoxine (B6) Biotin (B7) Folic Acid (B9) Cobalamin (B12) all of the aboveUsing the following key terms, discuss the regulation of carbohydrate metabolism. Insulin, glucagon, glycogen, glucose (low and high blood glucose), glycogen breakdown, glycogen synthesis, glycolysis, glycogen phosphorylase, glycogen synthase
- Indicate whether each of the following statements is true or false. If false, correct the statement or provide a brief explanation for why it is false. With high [carbohydrate] levels, excess glucose (after glycogen storage has reached a maximum) is converted to fat, leading to high [malonyl-CoA].you follow a carbohydrate-free diet, certain metabolic problems occur. Describe glucogenesis and the problems that may arise from this prolonged glucogenesis state.Gluconeogenesis involves using glucose to synthesize amino acids. TRUE/FALSE