Which of the following contains genes for drug and disease resistance in bacteria?
Correct answer: A. Plasmid
- A. Plasmid
- B. Nucleotide
- C. Mesosomes
- D. All of these
Explanation
Plasmids often contain drug-resistant, heavy metals, disease, and insect-resistant genes on them. Plasmids are small, circular, double-stranded DNA molecules that are separate from the chromosomal DNA in bacterial cells. They are commonly found in many bacterial species and can carry genes that provide various advantages to the host bacterium.
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