Why is glucose such a good source of energy for bacteria? 1) Glucose contains six oxygen atoms, which can be used for oxidative phosphorylation and the generation of many ATP molecules. 2) Glucose is a highly oxidized compound, containing many carbon-hydrogen bonds and a lot of potential energy. 3) Glucose contains six carbon atoms, which can be quickly incorporated into organic cellular constituents needed for growth. 4) Glucose is a highly reduced compound, containing many carbon-hydrogen bonds and a lot of potential energy.