Carbohydrate
Glucagon and epinephrine

inhibits gluconeogenesis and stimulates glycolysis
inhibits gluconeogenesis and glycolysis
stimulates gluconeogenesis and inhibits glycolysis
stimulates gluconeogenesis and glycolysis

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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

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

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