Biology 1401 Chapter 10 How Cells Divide

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Biology 1401 Chapter 10 How Cells Divide - Quiz

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Questions and Answers
  • 1. 
    If a eukaryotic cell has a single set of chromosomes, it is called
    • A. 

      Haploid.

    • B. 

      Diploid.

    • C. 

      Polypoid.

    • D. 

      Tetraploid.

  • 2. 
    The physical map of the array of chromosomes is called a(n)
    • A. 

      Ecotype.

    • B. 

      Haplotype.

    • C. 

      Karyotype.

    • D. 

      Phenotype.

    • E. 

      Genotype.

  • 3. 
    The physical distribution of cytoplasmic material into the two daughter cells is called
    • A. 

      DNA replication.

    • B. 

      Mitosis.

    • C. 

      Cytokinesis.

    • D. 

      Binary fission.

  • 4. 
    Which of the following cell functions are maintained by cell division?
    • A. 

      Growth and reproduction

    • B. 

      Death

    • C. 

      Metabolism

    • D. 

      Movement

    • E. 

      Organization

  • 5. 
    The bacterial genome exist as a
    • A. 

      Single, circular, protein-coated, double stranded DNA molecule.

    • B. 

      Single, circular, uncoated, double stranded DNA molecule.

    • C. 

      Single, circular, uncoated, double stranded RNA molecule.

    • D. 

      Single, linear, uncoated, double stranded DNA molecule.

    • E. 

      Many, circular, uncoated, double stranded DNA molecules.

  • 6. 
    The number of chromosomes characteristic of eukaryotes, in general,
    • A. 

      Can usually be determined without the use of a microscope.

    • B. 

      Can usually be predicted from the size of the organism.

    • C. 

      Change as the organisms grow and age.

    • D. 

      Vary considerably from 2 to over 1000 in different species.

    • E. 

      Vary depending on the type of the cell in the same organism.

  • 7. 
    Eukaryotic chromosomes are coated with proteins containing a high proportion of basic amino acids. These proteins are given the name
    • A. 

      Albumins.

    • B. 

      Antibodies.

    • C. 

      Enzymes.

    • D. 

      Histamines.

    • E. 

      Histones.

  • 8. 
    In the human, the body cells (non-sex cells) contain two sets of chromosomes totaling
    • A. 

      2.

    • B. 

      22.

    • C. 

      44.

    • D. 

      46.

    • E. 

      23.

  • 9. 
    The two copies of each chromosome in body cells are called
    • A. 

      Chromatids.

    • B. 

      Homologous chromosomes.

    • C. 

      Sister chromosomes.

    • D. 

      Daughter chromosomes.

    • E. 

      Genes.

  • 10. 
    Before cell division of the body cells, each homologue replicates into two parts. These parts are connected by a centromere and are called
    • A. 

      Sister chromatids.

    • B. 

      Daughter chromatids.

    • C. 

      Sister chromosomes.

    • D. 

      Daughter chromosomes.

    • E. 

      Genes.

  • 11. 
    Which of the following sequence of cell-cycle phases is characteristic of eukaryotes?
    • A. 

      G to S to M

    • B. 

      to S to to M to C

    • C. 

      S to M to C

    • D. 

      to to S to C

    • E. 

      to to to S to C

  • 12. 
    The primary growth phase of a cell is
    • A. 
    • B. 

      S.

    • C. 
    • D. 

      M.

    • E. 

      C.

  • 13. 
    The phase of the cell cycle during which the cytoplasm divides to form two cells is
    • A. 
    • B. 

      S.

    • C. 

      M.

    • D. 

      C.

    • E. 
  • 14. 
    The cell organelles replicate prior to genomic separation in ______ phase.
    • A. 
    • B. 

      S

    • C. 
    • D. 

      M

    • E. 

      C

  • 15. 
    The first stage of mitosis, when the chromosomes become visibly shorter and thicker is
    • A. 

      Anaphase.

    • B. 

      Interphase.

    • C. 

      Metaphase.

    • D. 

      Prophase.

    • E. 

      Telophase.

  • 16. 
    In prophase, ribosomal RNA synthesis stops when the chromosomes condense, and this makes the
    • A. 

      Chromosomes lengthen.

    • B. 

      Nuclear envelope reform.

    • C. 

      Nucleolus disappear.

    • D. 

      Chromosomes line up at the equator.

  • 17. 
    The chromosomes line up at the equator of the spindle during
    • A. 

      Anaphase.

    • B. 

      Interphase.

    • C. 

      Metaphase.

    • D. 

      Prophase.

    • E. 

      Telophase.

  • 18. 
    The framework of microtubules that appears in cell division which eventually moves the chromatids apart is called the
    • A. 

      Aster.

    • B. 

      Cell plate.

    • C. 

      Centriole.

    • D. 

      Spindle apparatus.

    • E. 

      Centromere.

  • 19. 
    Which one of the following represents interphase?
    • A. 

      + + S

    • B. 

      S + M + C

    • C. 

      Prophase + metaphase + anaphase + telophase

    • D. 

      Cytokinesis + mitosis

    • E. 

      + +

  • 20. 
    The attachment of which molecules is critical for the proper separation of sister chromatids?
    • A. 

      Chromosomes

    • B. 

      Asters

    • C. 

      Microtubules

    • D. 

      Cyclins

    • E. 

      Protein kinases

  • 21. 
    Microtubules become shorter, pulling chromatids to the ends of the spindle, during
    • A. 

      Anaphase.

    • B. 

      Interphase.

    • C. 

      Metaphase.

    • D. 

      Prophase.

    • E. 

      Telophase.

  • 22. 
    Which of the following is essentially the reverse of prophase?
    • A. 

      Anaphase

    • B. 

      Interphase

    • C. 

      Metaphase

    • D. 

      Telophase

    • E. 

      Cytokinesis

  • 23. 
    Animal cells typically achieve cytokinesis by
    • A. 

      Binary fission.

    • B. 

      Forming a cell plate across the middle of the cell.

    • C. 

      Forming a cleavage furrow that pinches the cell into two.

    • D. 

      Chromosome condensation.

    • E. 

      Chromosome elongation.

  • 24. 
    Plant cells typically achieve cytokinesis by
    • A. 

      Binary fission.

    • B. 

      Forming a cell plate across the middle of the cell.

    • C. 

      Forming a cleavage furrow that pinches the cell into two.

    • D. 

      Chromosome condensation.

    • E. 

      Chromosome elongation.

  • 25. 
    Which of the following is not a checkpoint for cell cycle control in a eukaryotic cell?
    • A. 

      /S

    • B. 

      /M

    • C. 

      Spindle

    • D. 

      MFP

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