Multiple choice Q: Which mutation would an invading λ phage have to acquire in order to overcome this immunity?

E.coli cells carrying a λ prophage are immune to infection with additional λ phages. Which mutation would an invading λ phage have to acquire in order to overcome this immunity?

A) A dominant-negative mutation in cI

B) A dominant-negative mutation in cII

C) A dominant-negative mutation in cIII

D) A dominant-negative mutation in cro

E) A dominant-negative mutation in N

2 Answers

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  • Anonymous
    7 years ago
    Favorite Answer

    D) A dominant-negative mutation in cro

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  • Sas
    Lv 7
    7 years ago

    ? is this virology,or genetics.

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