Which of the following could be electron acceptors in anaerobic respiration?

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Anaerobic respiration occurs in the absence of oxygen. The process involves the use of alternative electron acceptors such as nitrate, sulfate, and carbon dioxide. Nitrate and sulfate are commonly used electron acceptors in anaerobic respiration as they are readily available in many environments. Lactic acid is not an electron acceptor, it is a product of anaerobic respiration in some organisms. Oxygen is not an electron acceptor in anaerobic respiration as it requires the presence of oxygen for aerobic respiration.

Which of the Following Could Be Electron Acceptors in Anaerobic