Carbohydrate
During vigorous exercise, pyruvate produced by glycolysis is converted to

pyruvic acid
monosodium phosphate
lactate
acetate

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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
The function of gluconeogenesis is

recovery of lactate from fermentation and glycerol from fat breakdown
maintenance of blood glucose levels during starvation or a low carbohydrate diet
a pathway for the utilization of amino acids
All of these

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