Carbohydrate
When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because

their enzymes lose the proper three-dimensional shape
there is insufficient molecular motion for substrates to interact
the activation energy for the reaction is raised
enzyme active sites become permanently bound to substrates

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Carbohydrate
Gluconeogenesis is the

breakdown of glucose to pyruvate
breakdown of glycogen to glucose
synthesis of glucose from non-carbohydrate precursors
formation of glycogen

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