Cell Cycle and Division Quiz
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Questions and Answers

During which stage of the cell cycle do cells copy their DNA?

  • Gap 1
  • Synthesis (correct)
  • Mitosis
  • Gap 2
  • What is formed during cytokinesis of an animal cell?

  • Metaphase plate
  • Cleavage furrow (correct)
  • Chromosomes
  • Cell Plate
  • What is the longest stage of the cell cycle?

  • Mitosis
  • Synthesis
  • Gap 2
  • Gap 1 (correct)
  • How long does it take a cell to complete the cell cycle?

    <p>24 hours</p> Signup and view all the answers

    Which best describes how an animal cell divides?

    <p>A cleavage furrow forms and the cell pinches in two.</p> Signup and view all the answers

    Which level of organization is the basic unit of life?

    <p>A. Cell</p> Signup and view all the answers

    Which of the following is NOT a postulate of a unified cell theory?

    <p>C. All cells undergo complete development</p> Signup and view all the answers

    Who coined the term cell for the box-like structure he observed when viewing cork tissue?

    <p>D. Robert Hooke</p> Signup and view all the answers

    What is the function of mitochondria in a cell?

    <p>B. Energy production</p> Signup and view all the answers

    What is the function of the Golgi apparatus in a cell?

    <p>D. Packaging and distribution of molecules</p> Signup and view all the answers

    Study Notes

    Cell Cycle and Division

    • DNA is copied during the S phase (synthesis phase) of the cell cycle.
    • Cytokinesis in an animal cell results in the formation of two separate daughter cells through the constriction of the cell membrane.
    • The longest stage of the cell cycle is Interphase, which includes the G1, S, and G2 phases, primarily focused on cell growth and DNA replication.
    • A cell typically takes about 24 hours to complete the entire cell cycle, though this can vary depending on the cell type.
    • An animal cell divides through a process known as mitosis, which ensures equal distribution of chromosomes to the daughter cells.

    Cell Theory and Structural Organization

    • The basic unit of life is the cell, which represents the lowest level of organization in biological systems.
    • A postulate of the unified cell theory that might be considered NOT true could include misconceptions about cell origin, since all cells arise from pre-existing cells.
    • The term "cell" was coined by Robert Hooke, who used it to describe the box-like structures he observed in cork tissue in the 17th century.

    Cellular Functions

    • Mitochondria are responsible for producing energy in the form of ATP through cellular respiration, acting as the powerhouse of the cell.
    • The Golgi apparatus functions in the modification, packaging, and distribution of proteins and lipids that are synthesized in the cell, playing a crucial role in secretion and delivery of cellular products.

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    Description

    Test your knowledge on the cell cycle and division with this quiz! Find out how long it takes for a cell to complete the cell cycle and identify what is formed during cytokinesis of a plant cell. Challenge yourself and see how well you understand these important biological processes.

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