Cell Cycle & Mitosis Quiz 10/28/2016

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| By Marilyn Milton
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Marilyn Milton
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Quizzes Created: 4 | Total Attempts: 2,370
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  • 1/12 Questions

    How many stages are there in mitosis?

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About This Quiz

This quiz titled 'Cell Cycle & Mitosis Quiz 10\/28\/2016' assesses understanding of key phases in mitosis and the cell cycle, including metaphase, prophase, and anaphase. It evaluates knowledge of cellular structures and functions, crucial for students of biology.

Mitosis Quizzes & Trivia

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  • 2. 

    During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

    • Prophase

    • Metaphase

    • Anaphase

    • Telophase

    Correct Answer
    A. Metaphase
    Explanation
    During metaphase, the chromosomes line up along the middle of the dividing cell. This is a crucial step in mitosis as it ensures that each daughter cell receives an equal number of chromosomes. The chromosomes align at the metaphase plate, which is a region in the middle of the cell. The alignment of chromosomes in metaphase allows for the proper separation of genetic material during the subsequent phase of mitosis, anaphase.

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  • 3. 

    Cells spend most of their time in what phase?

    • Cytokinesis

    • Prophase

    • Mitosis

    • Interphase

    Correct Answer
    A. Interphase
    Explanation
    Cells spend most of their time in interphase. This is the phase in the cell cycle where the cell grows, carries out its normal functions, and replicates its DNA in preparation for cell division. During interphase, the cell is not actively dividing, but rather preparing for the next phase, which is mitosis. In mitosis, the cell undergoes division to produce two identical daughter cells. Therefore, interphase is the phase where the cell spends the majority of its time, as it is necessary for normal cell growth and functioning.

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  • 4. 

    DNA in a cell is copied during

    • G1 phase

    • G2 phase

    • Cytokinesis

    • S phase

    Correct Answer
    A. S phase
    Explanation
    During the S phase of the cell cycle, DNA replication takes place. This is when the DNA in the cell is copied, resulting in two identical copies of each chromosome. The S phase is a critical step in the cell cycle as it ensures that each daughter cell receives a complete set of genetic information. The G1 and G2 phases are involved in cell growth and preparation for DNA replication, while cytokinesis is the final stage of the cell cycle where the cell divides into two daughter cells. Therefore, the correct answer is S phase.

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  • 5. 

    The two main stages of the cell cycle are called

    • Interphase and mitosis

    • Telophase and cytokinesis

    • Interphase and anaphase

    • Cytokinesis and mitosis

    Correct Answer
    A. Interphase and mitosis
    Explanation
    The cell cycle consists of two main stages: interphase and mitosis. Interphase is the longest stage where the cell grows, carries out its normal functions, and replicates its DNA. Mitosis is the stage where the cell's nucleus divides into two identical nuclei, followed by cytokinesis, where the cell's cytoplasm divides. Therefore, the correct answer is interphase and mitosis.

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  • 6. 

    The spindle fibers are produced by the

    • Centrioles

    • Nucleus

    • Chromosomes

    • Chromatin

    Correct Answer
    A. Centrioles
    Explanation
    Centrioles are responsible for producing spindle fibers during cell division. Spindle fibers are necessary for the movement and separation of chromosomes during mitosis or meiosis. They form a structure called the mitotic spindle, which helps in the proper alignment and distribution of chromosomes to the daughter cells. The centrioles are located near the nucleus and play a crucial role in organizing the microtubules that make up the spindle fibers. Therefore, the correct answer is centrioles.

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  • 7. 

    The first phase of mitosis is called

    • Prophase

    • Anaphase

    • Metaphase

    • Interphase

    Correct Answer
    A. Prophase
    Explanation
    The first phase of mitosis is called prophase. During prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the spindle fibers begin to form. This phase marks the beginning of the process of cell division and prepares the cell for the subsequent stages of mitosis.

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  • 8. 

    A protein called p53 can keep cells from dividing. To prevent cell division, this protein most likely stops

    • Osmosis

    • Mitosis

    • Respiration

    • Mutation

    Correct Answer
    A. Mitosis
    Explanation
    The protein p53 is known to inhibit cell division, which is the process of mitosis. Mitosis is the division of a cell into two identical daughter cells, and it plays a crucial role in growth, development, and tissue repair. By stopping mitosis, p53 can prevent cells from dividing and potentially halt the growth of tumors or prevent the formation of abnormal cells.

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  • 9. 

    Which is the correct order?

    • Cell grows, DNA replication, cell prepare for division, division

    • DNA replication, cell prepare for division, cell grows, division

    • Cell prepare for division, cell grows, division, DNA replication

    • Division, cell prepare for division, DNA replication, cell grows

    Correct Answer
    A. Cell grows, DNA replication, cell prepare for division, division
    Explanation
    The correct order is cell grows, DNA replication, cell prepare for division, division. This order makes logical sense in the context of the cell cycle. First, the cell needs to grow in size to accommodate the upcoming division. Then, DNA replication occurs to ensure that each daughter cell receives a complete set of genetic material. Next, the cell prepares for division by organizing its components and ensuring that everything is in place. Finally, the division occurs, resulting in the formation of two daughter cells.

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  • 10. 

    When the DNA in a cell is uncoiled and spread throughout the nucleus it is called

    • Chromosomes

    • Chromatids

    • Centromeres

    • Chromatin

    Correct Answer
    A. Chromatin
    Explanation
    Chromatin refers to the uncoiled and spread out form of DNA in a cell nucleus. During interphase, when the cell is not dividing, the DNA is in the form of chromatin. It allows the DNA to be accessible for transcription and replication. Chromosomes, on the other hand, are condensed and tightly coiled structures formed from chromatin during cell division. Chromatids are the two identical copies of a replicated chromosome that are joined together by a centromere. Centromeres are the regions that hold the sister chromatids together. Therefore, the correct answer is chromatin.

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  • 11. 

    Cleavage furrows form in which type of cells?

    • Plants

    • Bacteria and plants

    • Animal

    • All of the above

    Correct Answer
    A. Animal
    Explanation
    Cleavage furrows form in animal cells during cell division. This process, known as cytokinesis, occurs after the chromosomes have separated and involves the pinching of the cell membrane to create two separate daughter cells. In contrast, plants do not form cleavage furrows but instead form a cell plate that divides the cell. Bacteria do not have a membrane-bound nucleus and undergo a different process of cell division called binary fission. Therefore, the correct answer is animal cells.

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  • 12. 

    The phase of mitosis in which the sister chromatids are pulled apart.

    • Interphase

    • Anaphase

    • Telophase

    • Cytokinesis

    Correct Answer(s)
    A. Anaphase
    A. Cytokinesis
    Explanation
    During anaphase, the sister chromatids, which are identical copies of each other, are pulled apart and move towards opposite ends of the cell. This is achieved by the shortening of the microtubules attached to the centromeres of the sister chromatids. Cytokinesis, on the other hand, is the process of physically dividing the cytoplasm of the cell into two daughter cells, which occurs after the sister chromatids have been separated during anaphase. Therefore, anaphase and cytokinesis are the correct answers for the phase of mitosis in which the sister chromatids are pulled apart.

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  • Current Version
  • Aug 23, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 28, 2016
    Quiz Created by
    Marilyn Milton
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