Prokaryotic Cell Structure and Classification Quiz
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Prokaryotic Cell Structure and Classification Quiz

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@MagicTundra

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Questions and Answers

How are bacteria classified based on their response to the Gram stain?

  • Spherical and rod-shaped
  • Gram positive and Gram negative (correct)
  • Bacilli and cocci
  • Aerobic and anaerobic
  • What is the outermost layer in the cell envelope of most prokaryotic cells?

  • Glycocalyx (correct)
  • Plasma membrane
  • Cell wall
  • Capsule
  • What determines the shape of the bacterial cell?

  • Plasma membrane
  • Glycocalyx
  • Cell wall (correct)
  • Capsule
  • What provides a strong structural support to prevent the bacterium from bursting or collapsing?

    <p>Cell wall</p> Signup and view all the answers

    What could the glycocalyx be in some bacteria?

    <p>Slime layer</p> Signup and view all the answers

    Study Notes

    Bacterial Classification and Cell Envelope

    • Bacteria are classified into two main groups based on their response to the Gram stain: Gram-positive and Gram-negative.
    • The outermost layer in the cell envelope of most prokaryotic cells is the peptidoglycan (also known as murein) layer.

    Cell Shape and Support

    • The shape of the bacterial cell is determined by the peptidoglycan layer.
    • The peptidoglycan layer provides a strong structural support to prevent the bacterium from bursting or collapsing due to osmotic pressure.

    Glycocalyx

    • In some bacteria, the glycocalyx can be a loose, irregular layer of polysaccharides and proteins, known as a capsule.

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    Description

    Test your knowledge of prokaryotic cell structure and classification with this quiz. Explore the intricate layers of the cell envelope and learn how bacteria are classified based on their characteristics.

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