In the First Step of Their Experiments,Jacob and Monod Treated

question 34

Multiple Choice

In the first step of their experiments,Jacob and Monod treated E.coli cells with UV light or X-rays in order to

• A)decrease the number of viable cells.
• B)induce DNA repair enzymes.
• C)increase the frequency of mutations in all genes.
• D)selectively mutate the lac operon,leaving all other genes unmutated.

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