4 in glycogen synthesis the intermediate between

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4. In glycogen synthesis, the intermediate between glucose-1-phosphate and glycogen is A. glucose-6-phosphate B. glucose C. UDP-glucose (or uridine diphosphate glucose) D. glucose-1,6-bisphosphate 5. Which of the following proteins forms the glycogen "primer"? A. Glycogenin B. UDP-glucose pyrophosphorylase C. glycogen synthase D. glycogen phosphorylase 6. Muscle cells are not able to supply glucose for other tissues because they do not contain which of the following enzymes? A. glycogen phosphorylase B. debranching enzyme
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C. pyruvate carboxylase D. glucose-6-phosphatase E. phosphoglucomutase 7. Which of the following statements about glycogen is false? A. UDP-glucose is produced from glycogen by the action of the enzyme phosphorylase. B. In glycogen breakdown, glucose residues are sequentially removed from the nonreducing ends. C. Glycogen is a polymer of glucose in (1 4) linkages with (1 6) linked branches every 8-14 residues. D. The breakdown of glycogen in skeletal muscle ultimately supplies glucose-6- phosphate, which can enter glycolysis to generate ATP.
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