Energy necessary to power cellular functions

ATP is the molecule that is used to provide energy necessary to power cellular functions, and as a result, it is often called the “energy currency” in the cell. How might this “energy currency” be saved; meaning, what organic molecule can be produced and later used to provide ATP? And what organic molecule might be considered the paycheck; the molecule that is “cashed” in order to get ATP quickly? Explain both your answers.

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