Exam 17: Glycolysis

Seven of the 10 reactions of glycolysis are reversible (DG near zero)and can be used in reverse of glycolysis for gluconeogenesis.Which enzymes catalyze the three irreversible reactions?

Which of the following concerning the isomerase reaction of glucose-6-phosphate to fructose-6-phosphate is correct?

Which of the following is a characteristic of phosphofructokinase-1 (PFK-1)?

Which of the following is a characteristic of dihydroxyacetone phosphate?

Which of the following molecules has the most highly exergonic hydrolysis,considering that only the highest energy bond is hydrolyzed?

Which of the following enzymes catalyzes this reaction? ADP + ADP ↔ ATP + AMP

Which of the following explains why fructose in the diet or fructose from sucrose in the diet can be a source of calories for fat synthesis in the liver?

Which of the following characteristics applies to Class I aldolases?

How is lactose metabolized in lactase-deficient animals?

Which of the following is NOT an allosteric regulator of phosphofructokinase-1?

Which of the following subclass of enzymes do hexokinase and glucokinase belong to?

Which of the following reactions does a mutase catalyze?

Which of the following is the first intermediate of glycolysis with free energy of hydrolysis more negative than that of ATP?

Under anaerobic conditions,skeletal muscle generates lactate from pyruvate.Why does it do this?

Which of the following enzymes may cause galactosemia to disappear in adults due to its metabolism of galactose-1-phosphate?

Which of the following two enzymes catalyze the two oxidation-reduction reactions in the fermentation of alcohol from glucose?