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Give an Account of ATP Production in Living Organisms All cells must do work to stay alive and maintain their cellular environment. The energy needed for cell work comes from the bonds of ATP. Cells obtain their ATP by oxidizing organic molecules, a process called cellular respiration. Glucose is the primary fuel molecule for the cells of living organisms. Every living organism must do cell respiration. Most eukaryotic organisms are aerobic. Aerobic respiration is required in order to obtain enough energy (ATP) from the oxidations of fuel molecules to survive. In aerobic respiration glucose is broken down into water and carbon dioxide. Oxygen is required as the final electron acceptor for the oxidations. C6H12O6 + 6O2 ? 6H2O + 6CO2 + ATP Not all cell respiration is aerobic. All organisms do some type of anaerobic respiration during times of oxygen deficit, although it may not be sufficient to sustain the organism's ATP needs. Fuel molecules oxidized...

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