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Which of the following metal can inhibit bacterial growth by binding to proteins?

(a) Zinc

(b) Plants

(c) Nitrogen

(d) Vermicomposting

The question was posed to me in examination.

My doubt is from Genetic Aspects of Heavy Metal Resistance topic in section Microbial Transformation of Heavy Metals of Environmental Biotechnology

1 Answer

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Best answer
The correct choice is (a) Zinc

Best explanation: Heavy metals can inhibit bacterial growth by binding to proteins, hence, Zinc can inhibit bacterial growth by binding to proteins, they can kill the bacteria by inhibiting the enzymes and their activity. Plants and Nitrogen are not metals and vermicomposting is a de-composting method which uses earthworms.

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