Problem 58
What major site of glycogen storage is not able to release glucose to the bloodstream?
Problem 59
How is UTP used in the formation of glycogen from glucose?
Problem 61
Name the anabolic pathway for making glucose.
Problem 62
Name the two molecules that serve as starting materials for glucose synthesis.
Problem 63
(Fill in the blanks.) Pyruvate is initially converted to _____ in the anabolism of glucose. That molecule in turn is converted to _____.
Problem 64
Explain why pyruvate cannot be converted to glucose in an exact reverse of the glycolysis pathway.
Problem 65
Explain how the energy-releasing steps of glycolysis are reversed in gluconeogenesis.
Problem 66
How many steps in gluconeogenesis are not the exact reversal of the steps in glycolysis? What kind of conversion of substrate to product does each involve? What is the common theme in each of these reactions?
Problem 67
What is the Cori cycle?
Problem 68
Explain why the Cori cycle is necessary and when your cells would use this cycle.