How Do Promoter Mutations Change the Expression of the Lac

question 35

Multiple Choice

How do promoter mutations change the expression of the lac operon genes?
1) They change the inducibility of the lac operon.
2) They modify the levels of gene expression in the induced and uninduced state.
3) They change the frequency of initiation of lac operon transcription.

• A) 1
• B) 2
• C) 3
• D) 1 and 2
• E) 2 and 3

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