Metabolism of Carbohydrates: Glycogenolysis Pathway
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Questions and Answers

Glucose-6-phosphate can be converted to glucose by ________

glucose-6-phosphatase

Skeletal muscles lack the enzyme ________

glucose-6-phosphatase

Glycogenolysis is the breakdown of ________ to glucose-1-phosphate

glycogen

Glycogen branches are catabolized by the sequential removal of ________ monomers via phosphorolysis

<p>glucose</p> Signup and view all the answers

Glycogenolysis is the conversion of ________ to glucose

<p>glycogen</p> Signup and view all the answers

Glycogenolysis is activated by the hormone ________

<p>glucagon</p> Signup and view all the answers

The enzyme ________ catalyzes the cleavage of a terminal α-1-4 bond of glycogen

<p>glycogen phosphorylase</p> Signup and view all the answers

The enzyme ________ produces glucose 1-phosphate during glycogen breakdown

<p>glycogen phosphorylase</p> Signup and view all the answers

Glucose-6-phosphate formed in hepatocytes feeds directly into ________

<p>glycolysis</p> Signup and view all the answers

Glycogenolysis occurs when our body needs energy in the form of ________

<p>glucose</p> Signup and view all the answers

Flashcards

Enzyme for glucose-6-phosphate to glucose

Glucose-6-phosphatase converts glucose-6-phosphate to glucose.

Enzyme in skeletal muscles

Skeletal muscles do not have glucose-6-phosphatase.

Glycogenolysis breaks down

Glycogenolysis breaks down glycogen into glucose-1-phosphate.

Glycogen branch removal

Glycogen branches are broken down by sequentially removing glucose monomers.

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Glycogenolysis converts

Glycogenolysis converts glycogen into glucose.

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Hormone activating glycogenolysis

Glucagon activates glycogenolysis.

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Enzyme cleaving alpha-1-4 bond

Glycogen phosphorylase cleaves the terminal alpha-1-4 bond of glycogen.

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Enzyme producing glucose 1-phosphate

Glycogen phosphorylase produces glucose-1-phosphate during glycogen breakdown.

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Hepatocyte glucose-6-phosphate path

Glucose-6-phosphate formed in hepatocytes enters glycolysis.

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Glycogenolysis for energy

Glycogenolysis releases glucose for energy.

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