The Ultimate Cell Cycle Quiz
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Questions and Answers

What happens during S phase of interphase?

  • The cell grows physically larger and copies organelles
  • The cell separates its DNA during M phase
  • The cell synthesizes a complete copy of the DNA in its nucleus (correct)
  • The cell grows more, makes proteins and organelles, and begins to reorganize its contents in preparation for mitosis

    • What is the function of kinetochore?

  • To duplicate a microtubule-organizing structure in S phase
  • To help separate DNA during M phase (correct)
  • To synthesize a complete copy of DNA in S phase
  • To make proteins and organelles in G2 phase

    • What is the prefix 'inter-' in interphase referring to?

  • The reorganization of contents during G2 phase
  • The growth of the cell during G1 phase
  • The duplication of DNA during S phase
  • The fact that it takes place between one mitotic phase and the next (correct)

    • What is DNA?

    <p>A molecule that contains the biological instructions that make each species unique</p> Signup and view all the answers

    What are centrioles?

    <p>Paired organelles found in the cytoplasm</p> Signup and view all the answers

    Which of the following is a correct sequence of events in the cell cycle?

    <p>Interphase, DNA replication, mitosis, cytokinesis</p> Signup and view all the answers

    During which phase of the cell cycle does the cell grow and make a copy of its DNA?

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

    What is the main difference between mitosis and meiosis?

    <p>Mitosis results in two daughter cells with identical genetic material, while meiosis results in four daughter cells with unique genetic material</p> Signup and view all the answers

    What is the purpose of cytokinesis in the cell cycle?

    <p>To physically split the cell into two daughter cells</p> Signup and view all the answers

    Why is the cell cycle considered a cycle rather than a linear pathway?

    <p>Because the cell cycle involves several important tasks that must be completed in a predictable series of steps</p> Signup and view all the answers

    What is the function of the nuclear membrane in a eukaryotic cell?

    <p>To separate the contents of the nucleus from the rest of the cell</p> Signup and view all the answers

    What is the role of kinetochores in cell division?

    <p>To connect chromosomes to microtubules of the mitotic and meiotic spindles</p> Signup and view all the answers

    What is the function of the centromere during cell division?

    <p>To help the cell divide up its DNA during division</p> Signup and view all the answers

    What are the four basic phases of mitosis?

    <p>Prophase, metaphase, anaphase, and telophase</p> Signup and view all the answers

    What is the function of spindle fibers in a cell?

    <p>To divide the genetic material in a cell</p> Signup and view all the answers

    What is the purpose of G1 phase in interphase?

    <p>To grow physically larger and copy organelles</p> Signup and view all the answers

    What is the function of centrosomes in cell division?

    <p>To help separate DNA during M phase</p> Signup and view all the answers

    What is a chromosome?

    <p>A thread-like structure made of DNA</p> Signup and view all the answers

    What is a gene?

    <p>The basic physical and functional unit of heredity</p> Signup and view all the answers

    What is the function of histone proteins?

    <p>To wrap DNA around and form chromatic fibers</p> Signup and view all the answers

    What is the purpose of the cell cycle?

    <p>To grow and divide the cell</p> Signup and view all the answers

    What are the two main stages of the cell cycle?

    <p>Mitosis and meiosis</p> Signup and view all the answers

    What must a cell do in order to divide?

    <p>Grow, copy its genetic material (DNA), and physically split into two daughter cells</p> Signup and view all the answers

    What is the purpose of interphase?

    <p>To grow and make a copy of the cell's DNA</p> Signup and view all the answers

    Why is the cell cycle considered a cycle, rather than a linear pathway?

    <p>Because at the end of each go-round, the two daughter cells can start the exact same process over again from the beginning</p> Signup and view all the answers

    What is the role of the nucleolus in a eukaryotic cell?

    <p>It is a round body located inside the nucleus</p> Signup and view all the answers

    What is the function of spindle fibers in cell division?

    <p>To divide the genetic material in a cell</p> Signup and view all the answers

    What is the function of kinetochores during cell division?

    <p>To connect chromosomes to microtubules of the mitotic and meiotic spindles</p> Signup and view all the answers

    What is the function of the centromere during cell division?

    <p>To help the cell divide up its DNA during division</p> Signup and view all the answers

    Which phase of mitosis comes after metaphase?

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

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