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Cellular Respiration
Oxygen is an important molecule in which of the following?
Citric acid cycle only
Glycolysis, citric acid cycle, and electron transport chain
Electron transport chain only
Glycolysis only
Citric acid cycle and electron transport chain



Answer :

Final answer:

Oxygen's importance in aerobic cellular respiration and ATP production is vital for energy generation in cells.


Explanation:

Oxygen plays a crucial role in cellular respiration, specifically in aerobic respiration where it acts as the final electron acceptor. This process involves three main stages: glycolysis, the citric acid cycle, and oxidative phosphorylation through the electron transport chain. Without oxygen, the efficient production of ATP would not be possible.


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