Carbohydrate
Which of the following is carried out when cAMP functions as a second messenger?

Acts second in importance to AMP
Acts outside the cell to influence cellular processes
Activates all cytosolic protein kinases
Activates the cAMP-dependent protein kinase

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Carbohydrate
Gluconeogenesis is the

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

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Carbohydrate
The multistep pathways of metabolism are efficient because they

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

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