Carbohydrate
Which of the following would be considered a part of metabolism?

Catabolic pathways that break down complex carbohydrates
All of the above
Biosynthetic pathways that build DNA
The capture of light energy for use in making glucose

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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
there is insufficient molecular motion for substrates to interact
the activation energy for the reaction is raised
enzyme active sites become permanently bound to substrates

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Carbohydrate
Fructose diphosphate accumulation would

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

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