Carbohydrate
Fructose is metabolized by

glyceraldehyde 3-phosphate pathway
fructose 1-phosphate pathway
both (a) and (b)
fructose 6-phosphate pathway

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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

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

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