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How much do you know about host-controlled variation in bacteriophage lambda?
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How much do you know about host-controlled variation in bacteriophage lambda?

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Questions and Answers

What is bacteriophage lambda?

  • A bacteria that infects viruses
  • A virus that infects bacteria (correct)
  • A type of enzyme
  • A type of antibiotic

    • What happens when bacteriophage lambda is established in one E. coli strain and then introduced to a different recipient E. coli strain?

  • It kills the new strain
  • It grows well in the new strain
  • It has reduced growth in the new strain (correct)
  • It has no effect on the new strain

    • What is the recipient bacteria in the context of bacteriophage lambda?

  • The bacteria that is used to grow the virus
  • The bacteria that infects the virus
  • The bacteria that is immune to the virus
  • The bacteria that is infected by the virus (correct)

    • What is the restricting host in the context of bacteriophage lambda?

    <p>The recipient bacteria that is unable to support growth of the virus</p> Signup and view all the answers

    What is host controlled/induced variation of bacterial viruses?

    <p>The ability of bacteria to vary the viruses that infect them</p> Signup and view all the answers

    What are restriction endonucleases?

    <p>Enzymes found in bacteria that modify viral DNA</p> Signup and view all the answers

    What is the function of restriction-modification systems in bacteria?

    <p>To protect host DNA from digestion by restriction endonucleases</p> Signup and view all the answers

    What does the restriction-modification system do to the bacterial DNA to protect it from digestion by restriction endonucleases?

    <p>It methylates the bacterial DNA</p> Signup and view all the answers

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