<em>"Oxygen is combined with the carbon atoms left from the glucose molecule."</em>
Explanation:
<u>Cellular respiration:</u>
Basically, the bonds inside the macro-molecules i.e glucose are broken down for the purpose of releasing enough energy to drive cellular processes or performing the body work i.e locomotion etc.And as result of the process the ATP molecules are generated while the waste materials are extracted outside the cellular body of the organism.
Now, during the breakdown of the glucose molecules, the NADH, 2 pyruvate molecules,along with some energy in the form of ATP is been released by the the glycolysis process. As the oxygen molecules then leave the membrane and join the Carbon atoms present outside for the formation of different elements required.
