Answer:
Glucose-> lactic acid+ water+ carbon dioxide
Explanation:
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In anaerobic cellular respiration, glucose is used to produce without the use of oxygen. So, correct option is B.
The breakdown of substrate glucose in the absence of oxygen is called anaerobic respiration. This process takes place in both prokaryotic cells and eukaryotic cells.
In this type of respiration, breakdown of glucose, i.e glycolysis is followed by the electron transport chain where the final electron acceptor is a molecule other than oxygen. The most common final electron acceptor in case of anaerobic respiration are sulphates, nitrates etc. The final electron acceptor can be either organic or inorganic.
This usually occurs in unicellular organisms however, in humans anaerobic respiration takes place in a condition of fatigue. During strenuous muscular activities, oxygen supply to muscles is limited and therefore the breakdown of pyruvate formed after glycolysis happens anaerobically. This breakdown leads to formation of lactic acid.
Therefore, the correct option is B.
Read more about anaerobic respiration, here
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