Carbohydrate
Which of the following characteristic enzymes of gluconeogensis is not found in the cytosol?

Pyruvate carboxlyase
Fructose-l,6-bisphosphatase
Glucose-6-phosphatase
Both (a) and (b)

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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

enzyme active sites become permanently bound to substrates
the activation energy for the reaction is raised
their enzymes lose the proper three-dimensional shape
there is insufficient molecular motion for substrates to interact

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Carbohydrate
Gluconeogenesis is the

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

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Carbohydrate
Which of the following does not occur during gluconeogenesis?

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

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