Carbohydrate
A catabolic intermediate which stimulates phosphofructokinase would stimulate

glycogen synthesis
gluconeogenesis
glycolysis
none of these

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Carbohydrate
The function of gluconeogenesis is

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

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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
their enzymes lose the proper three-dimensional shape
enzyme active sites become permanently bound to substrates

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Carbohydrate
The glycosidic bond

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

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