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12th Class Biology Evolution Of Life

  • question_answer 46)
      Why is nascent oxygen supposed to be toxic to aerobic life forms?

    Answer:

                      Nascent oxygen is very reactive and can react with different biomolecules. Nascent oxygen is a permanent oxidizing agent. It is highly reactive and can react readily with different kind of molecules including DNA, proteins present in the cells of aerobic life forms. It is thus, considered toxic if it reacts with DNA, it can lead to mutations and defective proteins, both structural and functional. Similarly if it reacts with proteins and enzymes, they are degraded and many metabolic pathways may hence be impaired.


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