Cell Reproduction: Warm Up 2

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  • 1/25 Questions

    Which term does not belong in the group of terms (anaphase, interphase, metaphase, prophase, telophase)?  (Please enter your answer in all lower case letters.)

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About This Quiz

Welcome to the electronic frontier of the 21st century for science education. This is the first of two biology warm ups (bell ringers) for this topic of cellular reproduction. The cells of all living things grow and multiply through a cycle that's made up of six phases.
This warm up provides an unlimited number of attempts to improve your learning and test-taking skills. As a bonus, each attempt yields a new question and answers.

Cell Reproduction: Warm Up 2 - Quiz

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  • 2. 

    Which term does not belong in the group of terms (centrioles, vesicles, kinetochore fibers, polar fibers)?  (Please enter your answers in all lower case letters.)

    Explanation
    The given terms are centrioles, vesicles, kinetochore fibers, and polar fibers. All of these terms are related to cellular structures or components involved in cell division except for "vesicles." Centrioles are involved in the formation of the mitotic spindle, kinetochore fibers are responsible for attaching chromosomes to the spindle, and polar fibers help in separating the chromosomes during cell division. However, vesicles are small sacs that are involved in various cellular processes such as transport and storage of molecules. Therefore, "vesicles" is the term that does not belong in this group.

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  • 3. 

    Name the process by which prokaryotic cells divide? (NOTE: Please enter your two answers in all lower case letters.)

    Explanation
    Binary fission is the process by which prokaryotic cells divide. In this process, the cell replicates its DNA and then divides into two identical daughter cells. It is the primary method of reproduction for prokaryotes, such as bacteria. During binary fission, the cell undergoes elongation, DNA replication, and separation of the replicated DNA before splitting into two daughter cells. This process allows prokaryotic cells to reproduce and multiply rapidly.

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  • 4. 

    What is the name of the process by which a cell's cytoplasm divides? (NOTE: Please enter your answer in all lower case letters.)

    Explanation
    Cytokinesis is the name of the process by which a cell's cytoplasm divides. During cytokinesis, the cytoplasm of a cell is divided into two daughter cells, each containing a complete set of genetic material. This process is crucial for cell division and is typically the final step in the cell cycle. It ensures that each daughter cell receives the necessary components to function independently. Cytokinesis can occur through different mechanisms in different organisms, but the end result is the same: the division of the cytoplasm to form two separate cells.

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  • 5. 

    _____is the production of mature egg cells, or ova.  (Please enter your answer in all lower case letters.)

    Explanation
    Oogenesis is the process of producing mature egg cells, or ova.

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  • 6. 

    In eukaryotic cells, DNA is copied during a phase of the cell cycle called a(n):_____.

    Explanation
    During the S phase of the cell cycle, DNA replication takes place in eukaryotic cells. This is when the DNA is copied to produce two identical copies of each chromosome. The S phase is an important part of the cell cycle as it ensures that each daughter cell receives a complete set of genetic information. The "S" in S phase stands for synthesis, referring to the synthesis of new DNA strands.

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  • 7. 

    Which term does not belong in the group of terms (G1 phase, S1 phase, G2 phase, Telophase)?

    • G1 phase

    • G2 phase

    • S1 phase

    • Telophase

    Correct Answer
    A. Telophase
    Explanation
    Telophase does not belong in the group of terms because it is a phase of mitosis, while G1 phase, S1 phase, and G2 phase are all phases of the cell cycle. The cell cycle consists of interphase (G1, S, and G2 phases) and mitosis (including prophase, metaphase, anaphase, and telophase). Therefore, telophase is the odd one out as it is not part of the cell cycle phases.

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  • 8. 

    In the G0 phase, cells move their chromosomes to the cell equator.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    In the G0 phase, cells are in a non-dividing state and are not actively preparing for cell division. Therefore, they do not move their chromosomes to the cell equator. Instead, cells in the G0 phase are either in a resting state or performing specialized functions.

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  • 9. 

    The fibers that extend from centrosome to centrosome during mitosis are called binary fibers.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The fibers that extend from centrosome to centrosome during mitosis are actually called spindle fibers, not binary fibers. Binary fibers is not a term used in the context of mitosis.

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  • 10. 

    Which term does not belong in the group of terms listed below?

    • Binary fission

    • Mitosis

    • Meiosis

    • Cytokinesis

    • Metaphase

    Correct Answer
    A. Binary fission
    Explanation
    The term "binary fission" does not belong in the group of terms listed because it is a form of cell division that occurs in prokaryotes, such as bacteria, while the other terms (mitosis, meiosis, cytokinesis, metaphase) are all related to cell division in eukaryotes.

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  • 11. 
    What stage of mitosis is displayed in the image below? - ProProfs

    What stage of mitosis is displayed in the image below?

    • Prophase

    • Prophase I

    • Metaphase

    • Telophase

    • Anaphase

    Correct Answer
    A. Anaphase
    Explanation
    The image shows the stage of mitosis where the sister chromatids, joined by the centromere, separate and move towards opposite poles of the cell. This stage is called anaphase. During anaphase, the microtubules of the spindle apparatus contract, pulling the chromatids apart and ensuring that each daughter cell receives a complete set of chromosomes.

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  • 12. 

    During which of the phases of interphase does an offspring cell grow to mature size?

    • G 1

    • S

    • G2

    • Mitosis

    • Cytokinesis

    Correct Answer
    A. G 1
    Explanation
    During the G1 phase of interphase, the offspring cell grows to its mature size. This phase is characterized by an increase in cell size and the synthesis of proteins and organelles needed for cell division. It is the first phase of interphase and prepares the cell for DNA replication in the S phase.

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  • 13. 

    The cytoplasm of a eukaryotic cell divides by a process called a(n)_____.

    • Meiosis

    • Mitosis

    • Replication

    • Cytokinesis

    Correct Answer
    A. Cytokinesis
    Explanation
    Cytokinesis is the process by which the cytoplasm of a eukaryotic cell divides. This occurs after mitosis or meiosis, which are processes that divide the nucleus of the cell. Cytokinesis completes the cell division process by physically separating the two daughter cells and distributing the cytoplasmic contents equally between them. Replication, on the other hand, refers to the process of copying DNA, while meiosis is a type of cell division that occurs in the reproductive cells to produce gametes. Therefore, cytokinesis is the correct answer as it specifically refers to the division of the cytoplasm.

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  • 14. 

    Between cell divisions, the DNA in a eukaryotic cell is uncoiled and spread out; in this form it is called a(n):

    • Chromatid

    • Chromatin

    • Histone

    • Nonhistone

    • Haploids

    Correct Answer
    A. Chromatin
    Explanation
    During interphase, the DNA in a eukaryotic cell is uncoiled and spread out, forming a loose and less condensed structure called chromatin. This allows the DNA to be accessible for various cellular processes such as transcription and replication. Chromatid, on the other hand, refers to the duplicated and condensed form of a chromosome that is visible during cell division. Histones and nonhistones are proteins that help in organizing and structuring the DNA within the chromatin. Haploids, on the other hand, refer to cells or organisms that have only one set of chromosomes.

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  • 15. 

    Prokaryotic cells reproduce by a process called a(n):_____.

    • Mitosis

    • Meiosis

    • Binary fission

    • Binary fusion

    Correct Answer
    A. Binary fission
    Explanation
    Prokaryotic cells reproduce by a process called binary fission. In this process, the cell duplicates its genetic material and divides into two identical daughter cells. Unlike mitosis and meiosis, which are processes of cell division in eukaryotic cells, binary fission is the specific method of reproduction for prokaryotes. Binary fusion is not a recognized process of cell reproduction.

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  • 16. 

    Which statement is TRUE about cytokinesis in plant cells?

    • Begins with pinching inward of cell membrane

    • Cleavage furrow separates two cells

    • Golgi apparatus aids in formation of cell plate

    • Mitochondrion aids in the formation of cell plate

    • Cell plates are discovered in animal cells

    Correct Answer
    A. Golgi apparatus aids in formation of cell plate
    Explanation
    During cytokinesis in plant cells, the Golgi apparatus plays a crucial role in the formation of the cell plate. The Golgi apparatus is responsible for synthesizing and packaging materials, including cell wall components, which are necessary for the formation of the new cell wall between the two daughter cells. This process involves the Golgi apparatus directing vesicles containing cell wall materials to the middle of the dividing cell, where they fuse together to form the cell plate. This eventually develops into the new cell wall that separates the two daughter cells.

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  • 17. 

    A new spindle forms around the chromosomes is what phase in meiosis?

    • Metaphase I

    • Prophase II

    • Telophase I

    • Metaphase II

    • Telophase II

    Correct Answer
    A. Prophase II
    Explanation
    During prophase II of meiosis, a new spindle forms around the chromosomes. This is the phase where the nuclear envelope breaks down, and the chromosomes condense. The spindle fibers attach to the centromeres of the chromosomes, preparing them for separation in the subsequent stages of meiosis. Unlike prophase I, which involves crossing over and homologous chromosome pairing, prophase II occurs after the first round of cell division in meiosis and involves the separation of sister chromatids. Therefore, the correct answer is prophase II.

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  • 18. 

    During cell division, the DNA in a eukaryotic cell is tightly packed and coiled into structures called a(n):

    • Centromeres

    • Histones

    • Haploids

    • Chromosomes

    • Diploids

    Correct Answer
    A. Chromosomes
    Explanation
    During cell division, the DNA in a eukaryotic cell is tightly packed and coiled into structures called chromosomes. Chromosomes are formed by the condensation of DNA molecules along with proteins called histones. These structures ensure that the DNA is organized and can be properly distributed to daughter cells during cell division. Centromeres are specific regions on chromosomes that play a role in the separation of chromosomes during cell division. Haploids and diploids refer to the number of sets of chromosomes in a cell, but they do not specifically describe the tightly packed and coiled structures formed during cell division.

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  • 19. 

    The chromosomes of most prokaryotes consist of proteins and...

    • A single circular DNA molecule

    • A single linear DNA molecule

    • A pair of linear DNA molecules joined in the center

    • A pair of homologous circular DNA molecules

    Correct Answer
    A. A single circular DNA molecule
    Explanation
    The correct answer is a single circular DNA molecule. This is because most prokaryotes, such as bacteria, have a single circular DNA molecule as their chromosome. Unlike eukaryotes, which have multiple linear chromosomes, prokaryotes have a simpler genetic structure with their genetic material contained in a circular DNA molecule. This circular chromosome allows for efficient replication and gene expression in prokaryotic cells.

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  • 20. 
    What stage of mitosis is displayed in the image below? - ProProfs

    What stage of mitosis is displayed in the image below?

    • Prophase

    • Metaphase

    • Anaphase

    • Telophase

    • Cytokinesis

    Correct Answer
    A. Cytokinesis
    Explanation
    Cytokinesis is the process of cell division where the cytoplasm of a cell is divided into two daughter cells. In the given image, it is not possible to determine the specific stage of mitosis as only the end result of cytokinesis is shown. The image shows two separate cells, indicating that cytokinesis has already occurred. Therefore, the correct answer is cytokinesis.

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  • 21. 

    Pairs of homologous chromosomes line up at the equator is what phase in meiosis?

    • Metaphase I

    • Prophase II

    • Telophase I

    • Metaphase II

    • Telophase II

    Correct Answer
    A. Metaphase I
    Explanation
    In meiosis, metaphase I is the phase in which pairs of homologous chromosomes line up at the equator. During this phase, the homologous chromosomes align next to each other, forming a structure called the bivalent. This alignment is important for the subsequent separation of the homologous chromosomes during anaphase I. Therefore, metaphase I is the correct answer.

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  • 22. 

    During which phase of mitosis do chromatids separate to become chromosomes?

    • Interphase

    • Prophase

    • Metaphase

    • Anaphase

    • Telophase

    Correct Answer
    A. Anaphase
    Explanation
    During anaphase of mitosis, the chromatids separate and move towards opposite poles of the cell. This process is facilitated by the shortening of microtubules and the pulling force exerted by the spindle fibers. As the chromatids separate, they become individual chromosomes. Therefore, anaphase is the phase of mitosis when chromatids separate to become chromosomes.

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  • 23. 

    Chromosomes gather at the poles; the cytoplasm divides is what phase in meiosis?

    • Metaphase I

    • Prophase II

    • Telophase I

    • Metaphase II

    • Telophase II

    Correct Answer
    A. Telophase I
    Explanation
    During telophase I of meiosis, the chromosomes have already lined up at the metaphase plate and have been pulled apart by the spindle fibers. In telophase I, the cytoplasm starts to divide, forming two separate cells. This phase marks the end of the first round of chromosome segregation in meiosis, resulting in two haploid cells with half the number of chromosomes as the original cell. Therefore, telophase I is the correct answer.

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  • 24. 

    Which term does not belong in the group of terms listed below?

    • Cleavage furrow

    • Cytokinesis

    • Spindle fiber

    • Cell plate

    Correct Answer
    A. Spindle fiber
    Explanation
    The term "spindle fiber" does not belong in the group because it is the only term that is not directly related to cell division. Cleavage furrow, cytokinesis, and cell plate are all involved in the process of cell division, whereas spindle fiber is a structure that helps separate chromosomes during cell division.

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  • 25. 

    In humans, sex chromosomes are to as autosomes are to______.

    • 46

    • 22

    • 44

    • 18

    • 192

    Correct Answer
    A. 44

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    John Mitchell
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