This molecule is referred to as the energy currency of the cell, and is recharged by cellular respiration.
a
enzymes
b
steroids
c
ATP
d
glucose
c) ATP
The correct answer is c) ATP (adenosine triphosphate).
ATP is referred to as the energy currency of the cell because it stores and transports chemical energy within cells. During cellular respiration, glucose and other molecules are broken down in a series of reactions to produce ATP. The energy released from breaking down these molecules is used to add a phosphate group to ADP (adenosine diphosphate), turning it into ATP. This process is called phosphorylation. ATP is then transported to different parts of the cell where it can be used as a source of energy for various cellular processes.