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Glucagon makes the liver take up amino acids and convert them into glucose. What is this response called?
AGluconeogenesis in the liver
BGlycogenolysis in the liver
CGlycolysis in the muscle
DLipolysis in adipose tissue
Answer & Solution
Correct answer: A. Gluconeogenesis in the liver
1. Alpha cells release glucagon when receptors in the pancreas sense falling blood glucose.
2. Making new glucose from amino acids taken up by the liver is gluconeogenesis.
3. Glycerol released by lipolysis reaches the liver and is converted the same way, which is also gluconeogenesis.
4. Glycogenolysis is the separate glucagon action that converts stored liver glycogen back into glucose.
5. Glycolysis is the breakdown of glucose for ATP and is stimulated by insulin, so it moves glucose in the wrong direction here.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 17 "The Endocrine System", section 17.9 The Endocrine Pancreas_
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