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#Question id: 5243


Auxotroph culture (His- and Lac-) culture of E. coli was mutagenised. On what media would one spread the mutagenised cells to select prototroph for both His+  and Lac+ cells?

#Microbiology
  1. Minimal media+Histidine

  2. Minimal media+Lactose

  3. Minimal media + Histidine + Lactose 

  4. Minimal media


Answer:- Option(s): 2


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