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Insulin:

Decreases glycogen uptake by cells


Increases in concentration in the blood after a meal


Promotes water reabsorption


Is released in response to the onset of exercise

User SuperShoot
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1 Answer

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Step-by-step explanation:

In the liver, insulin affects glycogen metabolism by stimulation of glycogen synthesis. Protein phosphatase I (PPI) is the key molecule in the regulation of glycogen metabolism. Via dephosphorylation, PPI slows the rate of glycogenolysis by inactivating phosphorylase kinase and phosphorylase A.

User Daniel Harms
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