Viruses Are Isolated from Wild TypeE $\lambda$ These Viruses Are Used to Infect a Gal^- Strain of Infected

question 6

Multiple Choice

Viruses are isolated from wild typeE.coli cells that have been infected with wild type $\lambda$ .These viruses are used to infect a gal^- strain of E.coli. A few bacterial colonies that grow on minimal galactose are obtained while no bacteria are obtained in cells that are not infected.What has happened?

• A)A \(\lambda\) gal⁺ phage was generated
• B)Reversion mutations have occured.
• C)The bacteria underwent conjugation with a gal⁺ strain
• D)The bacgteria underwent transformation with a wild type

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