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A large number of bacteria can accumulate which metal?

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in Environmental Biotechnology by (64.7k points)
A large number of bacteria can accumulate which metal?

(a) Cadmium

(b) Water

(c) Carbon dioxide

(d) Fungus

I have been asked this question during an interview for a job.

This is a very interesting question from Metal in section Microbial Transformation of Heavy Metals of Environmental Biotechnology

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Correct choice is (a) Cadmium

The best I can explain: Cadmium metal is found to be accumulated by a lot of bacterial species. Transport of cadmium inside the cell is dependent on the transport of the cell. Whereas, water and carbon dioxide are not metals. Also, Fungus itself is a microorganism and not a metal, so, cadmium is the right option.

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