Carbohydrate
Fructose diphosphate accumulation would

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

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Carbohydrate
The multistep pathways of metabolism are efficient because they

spread the enzymes for a pathway into several different organelles
locate all of the enzymes for a pathway in the same place within the cell
use the same enzyme for all of the substrates in the pathway
use the same substrate for all of the enzymes in the 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

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

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