Biology

ATP (adenosine triphosphate) is the energy molecule produced during cellular respiration. ATP is used by cells to power a wide variety of processes, such as muscle contraction, protein synthesis, and cell division.

For A: While glucose is the molecule that provides the energy for cellular respiration, it is broken down during the process to produce ATP. Glucose itself is not the energy molecule used by cells, but rather the fuel that is converted into ATP.
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