Cell Structure and Organization Quiz
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Questions and Answers

What is one of the distinctive characteristics of eukaryotic cells compared to prokaryotic cells?

  • Smaller size
  • Lack of compartmentation (cell organelles)
  • Presence of peptidoglycan in the cell wall
  • Presence of a membrane-delimited nucleus (correct)
  • What is the main function of the plant cell wall?

  • Synthesis of signal molecules
  • Mechanical support for the cell (correct)
  • Regulation of cellular pH
  • Energy storage for the cell
  • Why do plants not use an animal-type skeleton (shell or bones) for structural support?

  • Cellulose and lignin are more readily available in the environment
  • Calcium carbonate tends to alter the cellular pH (correct)
  • Animal-type skeletons are too heavy for plant structures
  • Calcium phosphate requires high levels of phosphate in the soil
  • What is the primary component responsible for providing mechanical strength to plant structures?

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

    What allows a multicellular organism to have several specialized cell types, each adapted for different tasks?

    <p>Division of labor among cells</p> Signup and view all the answers

    Study Notes

    Characteristics of Eukaryotic Cells

    • Eukaryotic cells have a true nucleus, bound by a double membrane, which distinguishes them from prokaryotic cells.

    Plant Cell Wall Function

    • The primary function of the plant cell wall is to provide structural support and protection.

    Plant Structural Support

    • Plants do not use an animal-type skeleton (shell or bones) for structural support because they have evolved to use their cell walls to provide mechanical strength.

    Mechanical Strength in Plant Structures

    • Cellulose is the primary component responsible for providing mechanical strength to plant structures.

    Multicellular Organisms

    • The presence of multiple cells with different structures and functions allows a multicellular organism to have several specialized cell types, each adapted for different tasks.

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    Description

    Test your knowledge of cell structure and organization, including the differences between prokaryotic and eukaryotic cells, the distinctive characteristics of eukaryotic cells, and the specialization of cells in multicellular organisms.

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