An extremely drug resistant bacteria has been identified at a hospital. Administ
ID: 97039 • Letter: A
Question
An extremely drug resistant bacteria has been identified at a hospital. Administrators are worried that the bacterial strain could share its resistance. The resistant genes are clustered together in the chromosome next to a gene encoding a transposase enzyme. If the bacterium also harbored an F plasmid, how could a resistance gene be shared? Select all that apply. A phage infects the drug resistant bacteria and could incorporate the drug resistant gene into its genetic material. The phage could then become resistant to an antibiotic. The antibiotic resistant genes may be located within a transposon which "jumps" to the plasmid. The plasmid is then shared by conjugation to another bacterial strain which becomes drug resistant thereafter. The plasmid is shared by transduction to another bacterial strain and the recipient becomes drug resistant.Explanation / Answer
Ans: 2nd option. The antibiotic resistant genes may be located with in a transposon which jumos to plasmid. The plasmid is then shared by conjugation to another bacterial starin which becomes drug resistant.
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