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Are there enzymes found in nature or the man made world that can help break down metals?

Are there enzymes found in nature or the man made world that can help break down metals?

Grade:11

1 Answers

Anjali Ahuja
askIITians Faculty 240 Points
7 years ago
Hello student
Yes there are bacteria that can cause break down of metals by its enzymatic activity. for example enzymes which can assist the proces of rust. Some sulfate-reducing bacteria produce hydrogen sulfide, which can cause sulfide stress cracking. Acidithiobacillus bacteria produce sulfuric acid; Acidothiobacillus thiooxidans frequently damages sewer pipes. Ferrobacillus ferrooxidans directly oxidizes iron to iron oxides and iron hydroxides. Other bacteria produce various acids, both organic and mineral, or ammonia.
Ferrobacillus ferrooxidans, it directly acts on iron by enzymes associated with the cell membrane:

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