Microbiology Quiz
9 Questions
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Microbiology Quiz

Created by
@PromptBurgundy

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Questions and Answers

What is the study of microorganisms called?

  • Virology
  • Immunology
  • Microbiology (correct)
  • Bacteriology

    • Which type of microorganism lacks membrane-bound organelles?

  • Fungi
  • Bacteria (correct)
  • Archaea
  • Protists

    • What percentage of microorganisms present in common environments can be cultured in isolation using current means?

  • More than 50%
  • Around 10%
  • Approximately 25%
  • Less than 1% (correct)

    • Which type of microorganism possesses membrane-bound organelles?

    <p>Protists</p> Signup and view all the answers

    What method do microbiologists currently rely on for the isolation and identification of microorganisms, due to the emergence of biotechnology?

    <p>Molecular</p> Signup and view all the answers

    What is the term for a DNA strand that is more tightly wound than the relaxed B-form DNA?

    <p>Positively supercoiled</p> Signup and view all the answers

    Which enzyme facilitates functions such as DNA replication and transcription by changing the amount of DNA supercoiling?

    <p>Topoisomerase</p> Signup and view all the answers

    How does the amount of supercoiling in a DNA strand affect biological processes?

    <p>It affects DNA compaction and regulation of genetic code access</p> Signup and view all the answers

    What is the reference state known as for describing the amount of supercoiling in a DNA strand?

    <p>Relaxed B-form DNA</p> Signup and view all the answers

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