. Which antibiotic resistant gene is present in normal E.coli

(a)          Ampicillin                                          

(b)          Tetracycline

(c)          Chloroamphenicol                           

(d)          For none of the antibiotics

Best Answer

(d)      Normal E.coli cells do not carry genes that are resistant to antibiotics. It is due to this that E.coli cells are suitable as selectable markers for biotechnological synthesis of antibiotics.

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