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What role does cellular respiration play in the water cycle? It removes \( \mathrm{H}_{2} \mathrm{O} \) from the atmosphere during glycolysis. It removes \( \mathrm{H}_{2} \mathrm{O} \) from the atmosphere during acetyl CoA formation. It releases \( \mathrm{H}_{2} \mathrm{O} \) to the atmosphere during the citric acid cycle. It releases \( \mathrm{H}_{2} \mathrm{O} \) to the atmosphere during electron transport.

Ask by Washington Hobbs. in the United States
Feb 24,2025

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Answer

Cellular respiration releases water to the atmosphere during the electron transport step.

Solution

Cellular respiration produces water as a byproduct. In the electron transport chain, oxygen acts as the final electron acceptor. When electrons combine with oxygen and hydrogen ions, water is formed. Thus, in the water cycle, cellular respiration contributes water to the atmosphere during the electron transport step of cellular respiration. So, the correct answer is: It releases H₂O to the atmosphere during electron transport.

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Cellular respiration plays a vital role in the water cycle by contributing to the exchange of water between living organisms and the atmosphere. During the electron transport chain, which is the final stage of cellular respiration, water is produced as a byproduct when electrons combine with oxygen and protons. This process effectively releases water vapor into the atmosphere, playing a small but important part in maintaining the water balance in ecosystems. In addition to its role in the water cycle, cellular respiration is crucial for providing energy to living organisms. The breakdown of glucose during cellular respiration not only generates ATP—fuel for cellular processes—but also produces carbon dioxide and water. Therefore, beyond water cycling, it promotes growth and sustenance of life by converting food into usable energy, showcasing the intricate connections between various biological and ecological processes.

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