What increases glycogen breakdown?

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Solution

Glycogenolysis:
The breaking down of glycogen is termed glycogenolysis.
The hormone glucagon stimulates glycogenolysis when the level of glucose in the blood falls.
Glucagon is a peptide hormone, secreted by the alpha-cells of the Islet of Langerhans in the pancreas.
The glycogen breakdown is stimulated by catecholamines such as noradrenaline and adrenaline.
Epinephrine stimulates glycogenolysis in the liver by raising the blood glucose level.

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Codes

A B C D

(a) 2 1 3 4

(b) 4 1 3 2

(d) 1 4 2 3

What happens during glycogen breakdown?

__________________ stimulates the breakdown of glycogen to glucose

How does the body know when to convert glucose into glycogen or to breakdown glycogen into glucose?

Q. Choose the correct option among the following options

Column I	Column II
A. Epinephrine	i. Stimulates muscle growth
B. Testosterone	ii. Decrease in blood pressure
C. Glucagon	iii. Breakdown of liver glycogen content
D. Atrial natriuretic factor	iv. Increases heart beat

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