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1)A mutant E. coli was constructed containing a nonpolar null mutation in the lacZ gene. The...

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Biology

1)A mutant E. coli was constructed containing anonpolar null mutation in the lacZ gene. The null mutationresulted in a nonfunctional LacZ product. In the presence oflactose, would this mutant E. coli be induced to make Lacpermease (LacY)? Why or why not?

2)What is the difference between a repressor andaporepressor?

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4.2 Ratings (686 Votes)
1Ans No this mutant will not be induced to make Lac permease LacY LacZ is the gene which produces betagalactosidase enzyme Betagalactosidase enzyme is responsible for breaking down of lactose into its monomers ie glucose    See Answer
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