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

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

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

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