Introduction to Microorganisms and Bacteria
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Questions and Answers

What is the size range of bacteria?

  • 10-6 millimeter
  • 1 nanometer
  • 10-3 millimeter (correct)
  • 1 millimeter

    • Which staining technique uses a single basic dye?

  • Gram stain
  • Ziehl-Neelsen stain
  • Simple stain (correct)
  • Differential stain

    • What is the shape of spiral bacteria?

  • Rod-like
  • Spirilla (correct)
  • Pairs
  • Spherical or ovoid

    • How do bacteria reproduce?

    <p>By binary fission</p> Signup and view all the answers

    What is the characteristic feature of bacterial cells regarding staining?

    <p>They are almost colorless and transparent</p> Signup and view all the answers

    Which staining technique uses two dyes separated by a decolorizing agent?

    <p>Differential stain</p> Signup and view all the answers

    What is the characteristic feature of bacterial cells regarding staining?

    <p>They take the color of the dye in simple stain</p> Signup and view all the answers

    What is the size range of bacteria?

    <p>10-3 millimeter to 1 millimeter</p> Signup and view all the answers

    How do bacteria reproduce?

    <p>By binary fission</p> Signup and view all the answers

    What is the shape of spiral bacteria?

    <p>Spirilla or spirochetes</p> Signup and view all the answers

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