Carbohydrate
Which of the following statements about the energy needs of cells is false?

The most usable energy for cells comes from the rapid combustion of glucose
Many cellular reactions have an associated activation energy
Without a continuous input of energy, cell disorder will increase
The laws of thermodynamics force cells to acquire energy

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Carbohydrate
The multistep pathways of metabolism are efficient because they

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

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Carbohydrate
Which of the following does not occur during gluconeogenesis?

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

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