Carbohydrate
Which of the following does not occur during gluconeogenesis?

The decarboxylation of oxaloacetate to phosphoenolpyruvate
The conversion of pyruvate to phosphoenolpyruvate (PEP)
The conversion of PEP to fructose bisphosphate
The carboxylation of pyruvate to oxaloacetate

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Carbohydrate
Gluconeogenesis is the

formation of glycogen
breakdown of glycogen to glucose
synthesis of glucose from non-carbohydrate precursors
breakdown of glucose to pyruvate

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Carbohydrate
The multistep pathways of metabolism are efficient because they

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

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