Microbial Growth Quiz
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Questions and Answers

What did Robert Koch develop for cultivating bacteria?

  • Liquid media for promoting rapid bacterial growth
  • Semi-solid media for observing bacterial motility
  • Gaseous media for studying bacterial metabolism
  • Solid media for allowing single bacteria to grow and form colonies (correct)
  • What are the limitations of using gelatin for solidifying nutrient media?

  • Solidity and texture
  • Nutrient content and pH balance
  • Melting temperature and digestibility (correct)
  • Color and transparency
  • How do prokaryotic cells typically divide?

  • By mitosis
  • By meiosis
  • By fragmentation
  • By binary fission (correct)
  • What did Fannie Hess contribute to the study of bacterial growth?

    <p>She was the wife of an associate of Robert Koch</p> Signup and view all the answers

    What are the extreme environments where prokaryotes can be found growing?

    <p>Ocean depths, volcanic vents, polar regions</p> Signup and view all the answers

    What did Robert Koch receive a Nobel Prize for in 1905?

    <p>Developing methods of cultivating bacteria</p> Signup and view all the answers

    What was a limitation of using potatoes for cultivating bacteria?

    <p>Potatoes did not provide the appropriate nutrients for many bacteria</p> Signup and view all the answers

    What was the primary limitation of using gelatin for solidifying nutrient media?

    <p>Melting temperature</p> Signup and view all the answers

    How do prokaryotic cells typically multiply?

    <p>Binary fission</p> Signup and view all the answers

    What did Fannie Hess contribute to the study of bacterial growth?

    <p>Contributed to the understanding of nutrient limitations for bacteria</p> Signup and view all the answers

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