Multiple Choice
In Jacob and Monad's analysis of mutant E. coli strains in their study of the lac operon, the absence of the β-galactosidase enzyme, but presence of the lactose permease and galactosidase transacetylase enzymes, indicated that the mutation occurred in the _____ of the lac operon.
A) regulatory region
B) lacZ gene
C) lacA gene
D) lacY gene
E) heterochromatin
Correct Answer:
Verified
Correct Answer:
Verified
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