ATP is a good source of energy for a cell because
A) it is able to be used in only one type of reaction.
B) its breakdown is coupled with energy-requiring reactions.
C) it provides excess energy for cellular reactions.
D) it is not reusable.
E) it takes no energy to make it.

Question

Quizplus · Accepted Answer

ATP (adenosine triphosphate) is a good source of energy for cells because its breakdown is coupled with energy-requiring reactions. This means that the energy released from ATP hydrolysis can directly power other processes in the cell that require energy.

ATP Is a Good Source of Energy for a Cell