Carbohydrate
Gluconeogenesis is the

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

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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

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

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