Anaerobic respiration is respiring in absence of oxygen.
aerobic respiration is respiring in the presence of oxygen. 
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                 Aerobic respiration                     Anaerobic respiration

oxygen is required.                                . Oxygen is not required.

. Glucose breaks down into CO2           . Glucose breaks down into CO2 and  
 and H2O.                                                     alcohol.

. 38 ATp per gram mole of glucose        . Only 2 ATP are produced.
are formed.

. Takes place both in cytoplasm           . Takes place only in the cytoplasm.
and in mitochondria.

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