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Question

Oxygen is critical for aerobic respiration. Explain its rote with respect to ETS.

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Solution

Role of O2 in Aerobic Respiration
The respiration of glucose darts with glycotysls in cytoplasm, followed by in Krebs' cycle and finally Electron Transport Chain (ETC) in inner mitochondria! membrane. The requirement of O2 is at the end of ETC.

Where, it acts as final hydrogen acceptor. O2 Is responsible for removing electrons from the system. It oxygen is not available, electrons could not be pass. through the co-enzymes, intum proton pump will not be established a. ATP will not be Produced via Oxtddive phosphorylation. Thus Oxygen play a critical role in aerobic respiration in mitochondrial matrix


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