Energy from glucose is stored in the final step of respiration, the electron transport chain in a molecule called ATP(Adenosinetriphosphate). Energy is released when the cell needs to do something like divide or contract.
The estimated quantity of energy released by a mole of glucose is 675kcal.
C₆H₁₂O₆+6O₂--->6CO₂+6H₂O+38ATP(675Kcal)
