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What does glucagon do to glycogen in the liver?
AStimulates its synthesis
BConverts it into fat
CStimulates its breakdown
DLeaves it untouched
Answer & Solution
Correct answer: C. Stimulates its breakdown
1. Glucagon acts upon the liver cells once blood glucose has dropped.
2. There it inhibits the synthesis of glycogen and stimulates its breakdown.
3. The freed glucose then leaves the liver for the bloodstream.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 24 "Metabolism and Nutrition", section 24.2 | Carbohydrate Metabolism_
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