11th Class Biology Blanks

  • question_answer 53)
      Oxygen is critical for aerobic respiration. Explain its role with respect to ETS.

    Answer:

                    Role of  in Aerobic Respiration The respiration of glucose starts with glycolysis in cytoplasm, followed by in Krebs' cycle and finally Electron Transport Chain (ETC) in inner mitochondrial membrane. The requirement of 0^ is at the end of ETC. Where, it acts as final hydrogen acceptor.  is responsible for removing electrons from the system. If oxygen is not available, electrons could not be passed through the co-enzymes, in turn proton pump will not be established and ATP will not be produced via oxidative phosphorylation. Thus Oxygen play a critical role in aerobic respiration in mitochondrial matrix.  


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