Normally, oxygen from the blood cells supply your muscles with the energy it needs to carry out certain actions. However, when there isn't enough oxygen to support the muscles, it produces lactic acid, or fermentation, to make up for the oxygen. (That's why you get that burn-y feeling whenever you exercise!)
Answer:a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
Explanation:
Four molecules of ATP are created from both lactic acid fermentation and alcoholic fermentation.
