Question

What’s the role of oxygen in cellular respiration?

Answer 1

Cellular respiration is the process cells use to make energy. Cells in our body combine glucose and oxygen to make ATP and carbon dioxide. Cellular respiration starts with glycolysis, where glucose enters the cell, is converted to pyruvate, and makes a few ATP and NADH.

Answer 2

Oxygen act as final electron acceptor in cellular respiration.

Explanation:

• Oxygen plays a very important role in cellular respiration and without oxygen cellular respiration will not be completed. Oxygen act as the final electron acceptor in cellular respiration.  
• Oxygen accepts electrons and hydrogen ion and converts into H2O. Then the hydrogen ions flow from intermembrane space to mitochondrial matrix through ATP synthase and form ATP.  
• Then this energy plays an important role in providing energy for metabolic processes to occur. Therefore oxygen plays a role of final electron acceptor in cellular respiration.

Learn more about cellular respiration:

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