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GCSE Combined Science · key term
A carbohydrate that stores glucose in animal cells, particularly liver and muscle cells.
Used by AQA and Edexcel
Specification 4.4.2.3, 4.5.3.2 · Paper 1, Paper 2
A carbohydrate made from glucose that stores energy in animals.
Revise: MetabolismGlycogen is made from glucose for energy storage in animals.
Paper 1, Paper 2
A storage carbohydrate made from many glucose units, found in the liver and muscles.
Revise: Hormones and Metabolic RateBlood glucose concentration rises because adrenalin stimulates the liver to convert stored glycogen into glucose and release that glucose into the blood.
An insoluble carbohydrate used to store glucose in liver and muscle cells.
For insulin control, link the pancreas, insulin release, glucose uptake by cells and conversion of excess glucose to glycogen in liver and muscle cells.
Glucagon is a hormone; glycogen is the glucose storage substance. They are not interchangeable.
Glycogen is a storage carbohydrate; glucose is the sugar released into the blood. Do not confuse glycogen with the hormone glucagon.
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