Which antibiotic resistance is naturally foun | vedclass

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(D) Naturally occurring wild-type strains of $E. coli$ do not possess inherent resistance to common antibiotics like $Ampicillin$,$Tetracycline$,or $K

Vedclass · Accepted Answer

None of these

Vedclass · Answer

(D) Naturally occurring wild-type strains of $E. coli$ do not possess inherent resistance to common antibiotics like $Ampicillin$,$Tetracycline$,or $Kanamycin$. Resistance to these antibiotics in laboratory $E. coli$ strains is typically introduced artificially through the transformation of plasmids (such as $pBR322$) that carry specific antibiotic resistance genes. Therefore,none of the listed antibiotics are naturally resisted by wild-type $E. coli$.

$(a)$ Restriction endonuclease	$(i)$ Joins the $DNA$ fragments
$(b)$ Restriction exonuclease	$(ii)$ Extends primers on genomic $DNA$ template
$(c)$ $DNA$ ligase	$(iii)$ Cuts $DNA$ at specific positions
$(d)$ $Taq$ polymerase	$(iv)$ Removes nucleotides from the ends of $DNA$

Which antibiotic resistance is naturally found in $E. coli$?

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