Carbohydrate
Metabolic reactions that break down complex molecules into smaller compounds, thereby releasing usable energy for the cell, are best described as

biosynthetic
catabolic
catalytic
photosynthetic

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Carbohydrate
The function of gluconeogenesis is

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

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