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Radicals Oxygen Free Cons Growth?  Creates E.G H2o2

Oxygen can be detrimental as it creates oxygen free radicals (e.g., H2O2 and superoxide) that damage cell structures, necessitating enzymes for protection.

El oxígeno puede ser perjudicial porque crea radicales libres de oxígeno, como H2O2 y superóxido, que dañan las estructuras celulares; por lo tanto, las células necesitan enzimas para protegerse de estos radicales.

Front What are the cons of using oxygen for growth? 
Back 1. creates oxygen free radicals (e.g. H2O2 and superoxide) 
2. radicals are strong oxidizing agents, cause damage to to cell structures (toxic)
3. So, cells must protect against toxic free radicals using enzymes that degrade radicals 

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