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12 Cards in this Set
- Front
- Back
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Glycogen
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a-(1,4), a-(1,6)(branches) glucose polysaccharide. glucose storage for animals, bacteria, fungi.
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Step one of glycogen synthesis
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glucose 6-phosphate is converted to glucose 1-phosphate by phosphoglucomutase
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Step two of glycogen synthesis
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glucose 1-phosphate is converted to UDP-glucose by UDP-glucose pyrophosphorylase and UTP, giving off PPi
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Step three of glycogen synthesis
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UDP-glucose is added to glycogen (n residues) by glycogen synthase. UDP is released and glycogen (n+1 residues) is formed
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What enzyme catalyzes branch formation in glycogen?
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amylo-(1,4 1,6)-transglycosylase
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Glycogen
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a-(1,4), a-(1,6)(branches) glucose polysaccharide. glucose storage for animals, bacteria, fungi.
|
|
|
Step one of glycogen synthesis
|
glucose 6-phosphate is converted to glucose 1-phosphate by phosphoglucomutase
|
|
|
Step two of glycogen synthesis
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glucose 1-phosphate is converted to UDP-glucose by UDP-glucose pyrophosphorylase and UTP, giving off PPi
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Step three of glycogen synthesis
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UDP-glucose is added to glycogen (n residues) by glycogen synthase. UDP is released and glycogen (n+1 residues) is formed
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What enzyme catalyzes branch formation in glycogen?
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amylo-(1,4 1,6)-transglycosylase
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What enzyme is involved in glycogenolysis?
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glycogen phosphorylase
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Which hormones regulate glycogen metabolism?
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insulin, glucagon, and epinephrine
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