28. all of the following enzymes are involved in gluconeogenesis except a. UDP-glucose pyrophosphorylase b. glucosidase c. phosphoglucomutase d. hexokinase
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- d) What enzymes of glycolysis are bypassed in gluconeogenesis? e) What enzymes are unique to gluconeogenesis? f) What enzymes are the sites of regulation in gluconeogenesis? g) Describe how glycolysis & gluconeogenesis are reciprocally regulated.Gluconeogenesis is like glycolysis but in reverse. Name the 4 enzymes that are responsible for this process. What is its final product?Discuss briefly but concisely the importance of the following metabolic pathway. D. Gluconeogenesis
- List all of the regulatory enzymes from both Glycolysis and Gluconeogenesis, and under each, list the (-) inhibitors and the (+) activators.7. Which of the following statements about gluconeogenesis is CORRECT? Select one: a. Glucose-6-phosphatase hydrolyzes glucose 6-phosphate to release glucose into the blood. b. Glucose-6-phosphatase hydrolyzes glucose 6-phosphate and is found in liver and muscle. c. Fructose-1,6-biphosphatase converts fructose-1,6-bisphosphate into fructose-1-phosphate. d. Pyruvate is first converted to phosphoenolpyruvate by phosphoenolpyruvate carboxykinase.The rate limiting and committed step of the pentose phosphate pathway is catalyzed by which of the following enzymes? A. Glucose-6-phosphate dehydrogenase B. Hexokinase C. 6-Phosphogluconate dehydrogenase D. Transketolase
- Is the statement much of the regulation of gluconeogenesis a result of the inhibition of glycolysis incorrect or correct?Individuals with Pompe disease lack the lysosomal _______. a. Glycogen phosphorylase b. Amylo-α(1→6)-glucosidase c. α(1→4)-glucosidase d. Glucose-6-phosphatase. Name the three unique reactions in gluconeogenesis.
- Glucose is converted to pyruvate in glycolysis, yielding a netsynthesis of 2 ATP. In certain cells pyruvate can be reconverted to glucose during gluconeogenesis. How many ATPsare required to convert pyruvate back to glucose?If the brain needs glucose, then gluconeogenesis stops after reaction (9, 8, 10, 2) because (phosphoenolpyruvate, glucose, glucose-6-phosphaet, fructose-6-phosphate) can be exported from the hepatocyte using a transporter.what effect would an increase in glucose typically have on the activity of glycogen synthase
