Carbohydrate
The multistep pathways of metabolism are efficient because they

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

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

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

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