Which substance is the final electron acceptor in aerobic respiration?

Question

Accepted Answer

C. Oxygen forming water

1. The chapter shows oxygen combines with hydrogen at the end of respiration.
2. Hydrogen comes from glucose breakdown via NADH.
3. Oxygen accepts the electrons and joins hydrogen to form water.
4. So option A is correct.
_Source: Selina Concise Biology Class 9, Ch 7 Respiration in Plants (Mistral OCR'd PDF), section on aerobic respiration_

Answer

Hydrogen forming molecular hydrogen

Answer

Carbon dioxide forming carbonate

Answer

Nitrogen forming ammonium ion

Which substance is the final electron acceptor in aerobic respiration?

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