GLYCOGENESIS/GLYCOGENOLYSIS

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Last updated 7:21 PM on 2/15/26
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9 Terms

1
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<p>What molecule is this?</p>

What molecule is this?

UDP-Glucose

2
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_____ serves as the primer for glycogenesis by acting as a core protein and autocatalyzing the addition of glucose residues

glycogenin

3
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What role does UDP-Glucose play in glycogenesis?

it serves as a glucose donor

4
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Why is it important for glycogen to have its alpha-1,6 glycosidic linkages?

Branches increase glycogen solubility and therefore access to glucose for rapid mobilization

5
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What is the energy cost of ADDING a glucose molecule to glycogen?

1 UTP per glucose residue (equivalent to 1 ATP)

6
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<p>What enzyme is responsible for catalyzing the conversion of glycogen to glucose 1-phosphate?</p>

What enzyme is responsible for catalyzing the conversion of glycogen to glucose 1-phosphate?

glycogen phosphorylase

7
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<p>Which enzyme is responsible for this conversion (forward and backward?)</p>

Which enzyme is responsible for this conversion (forward and backward?)

phosphoglucomutase

8
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<p>Which enzyme is responsible for this conversion?</p>

Which enzyme is responsible for this conversion?

glucose 6-phosphatase

9
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<p>Where does this step of glycogenolysis occur?</p>

Where does this step of glycogenolysis occur?

the liver