Question

Heavy metal resistance elements are found in gram negative bacteria.

(a) True

(b) False

I had been asked this question during a job interview.

My query is from Microbial Applications for Metal Removal topic in section Microbial Transformation of Heavy Metals of Environmental Biotechnology

Answer 1

Right choice is (a) True

To explain: Mercury resistance can be found in gram positive or gram negative bacteria and that is related to plasmid codes. The heavy metal resistance elements in bacteria are generally plasmid coded and is usually associated with gram negative bacteria.