Oxygen Requirements Classification Aerobic Anaerobic Facultative Anaerobic Microaerophilic O2 is reactive-toxic(binds e-s) Oxidization of compounds Loss of energy from compounds DNA molecule breaks ObligateObligate Micro- FacultativeOxygen Requirements • Classification – Aerobic – Anaerobic – Falcultative Anaerobic – Microaerophilic O2 is reactive-toxic (binds e-’s) Oxidization of compounds Loss of energy from compounds DNA molecule breaks