The Cell Cycle and Mitosis Quiz
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The Cell Cycle and Mitosis Quiz

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Questions and Answers

What stage makes up most of the cell's life?

  • Mitosis
  • Cytokinesis
  • Interphase (correct)
  • Anaphase

    • What is the process called when the nucleus of the cell divides into two equal parts?

  • Mitosis (correct)
  • Telophase
  • Prophase
  • Cytokinesis

    • During which phase do duplicated chromosomes line up across the middle of the cell?

  • Interphase
  • Metaphase (correct)
  • Anaphase
  • Telophase

    • How many phases are there in mitosis?

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

    What structural change occurs to the chromosomes during prophase?

    <p>They contract into an X shape</p> Signup and view all the answers

    In which phase do the duplicated chromosomes align at the cell's equator?

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

    What occurs during anaphase in the cell cycle?

    <p>Chromosomes move apart to opposite ends of the cell.</p> Signup and view all the answers

    What is the primary purpose of the interphase stage in the cell cycle?

    <p>To replicate DNA and support cell growth</p> Signup and view all the answers

    Which stage directly follows mitosis in the cell cycle?

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

    What is a tumor?

    <p>A lump formed from uncontrolled cell division.</p> Signup and view all the answers

    What happens to the nucleolus during prophase?

    <p>It disappears.</p> Signup and view all the answers

    What outcome results from cytokinesis?

    <p>Two identical cells with their own nucleus</p> Signup and view all the answers

    Which phase of mitosis follows anaphase?

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

    During which cell cycle stage is DNA replicated?

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

    What is a characteristic of cancerous cells?

    <p>They divide uncontrollably.</p> Signup and view all the answers

    Which characteristic is NOT associated with mitosis?

    <p>Replication of DNA</p> Signup and view all the answers

    What is mitosis mainly responsible for?

    <p>Division of the cell nucleus</p> Signup and view all the answers

    Which of the following correctly sequences the stages of the cell cycle?

    <p>Interphase - Mitosis - Cytokinesis</p> Signup and view all the answers

    What defines the end result of the cell cycle?

    <p>Two identical daughter cells are created</p> Signup and view all the answers

    Which stage of the cell cycle is primarily focused on growth and preparation for mitosis?

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

    During which phase of mitosis do the chromosomes line up at the cell's equator?

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

    Which process follows mitosis and results in the division of the cytoplasm?

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

    What significant event occurs during prophase?

    <p>Spindle fibers begin to form</p> Signup and view all the answers

    What is the longest stage of the cell cycle?

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

    What is the primary focus of the cell during interphase?

    <p>Growth and DNA replication</p> Signup and view all the answers

    What is the process in which the duplicated contents of the cell's nucleus divide into two equal parts?

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

    During which phase of mitosis do duplicated chromosomes form into an X shape?

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

    What do tiny tube-like structures made of protein that assist in cell division refer to?

    <p>Spindle fibers</p> Signup and view all the answers

    Study Notes

    The Cell Cycle

    • The cell cycle describes the stages of a cell's life.
    • The cell cycle comprises three stages: interphase, mitosis, and cytokinesis.
    • Interphase is the longest stage of the cycle.
    • In interphase, cells grow and carry out normal functions.
    • Cells replicate their DNA during interphase.
    • Mitosis is the stage where the nucleus of the cell divides into two identical parts, each with a copy of the DNA.
    • During cytokinesis, the two identical parts of the cell separate, resulting in two identical cells.

    Mitosis

    • Mitosis has four phases: prophase, metaphase, anaphase, and telophase.
    • In prophase, duplicated chromosomes form an "X" shape, the nucleolus disappears, and spindle fibres begin to form.
    • During metaphase, duplicated chromosomes line up across the middle of the cell.
    • In anaphase, duplicated chromosomes move apart to opposite ends of the cell.
    • Telophase sees a nucleolus forming around the chromosomes at opposite ends of the dividing cell.

    Mutagens and Cancer

    • Mutagens can cause changes in the cell cycle, leading to continuous cell division.
    • Uncontrolled cell division can result in a lump called a tumor.
    • Cancerous cells may grow in one place or spread to other parts of the body.

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    Related Documents

    Cell Cycle and Mitosis Worksheet PDF

    Description

    Test your knowledge on the cell cycle and the phases of mitosis. This quiz covers key stages including interphase, mitosis, and cytokinesis. Understand how cells grow, replicate DNA, and divide to form new cells.

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