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
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

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Carbohydrate
The glycosidic bond

in maltose is not hydrolyzed in lactose intolerant humans
joins glucose and fructose to form sucrose
in sucrose is hydrolyzed by bees
both (b) and (c)

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Carbohydrate
Fructose diphosphate accumulation would

inhibit glycolysis and gluconeogenesis
stimulate glycolysis and inhibit gluconeogenesis
inhibit glycolysis and stimulate gluconeogenesis
stimulate glycolysis and gluconeogenesis

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