Cell Cycle And DNA Replication

14 Questions | Total Attempts: 997

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Cell Cycle And DNA Replication

Questions and Answers
  • 1. 
    Which of the following processes occurs in eukaryotic organisms (organisms with a nucleus in their cells) that only reproduce asexually?
    • A. 

      Mitosis

    • B. 

      Meiosis

    • C. 

      Both mitosis and meiosis

    • D. 

      Fertilization

  • 2. 
    Which of the following is a key event during the S phase of the cell cycle?
    • A. 

      The genetic material (DNA) is duplicated

    • B. 

      A cell grows in size

    • C. 

      The number of organelles increases

    • D. 

      The cytoplasm is divided in two

  • 3. 
    The cytoplasm is divided into two daughter cells during...
    • A. 

      Metaphase

    • B. 

      Prophase

    • C. 

      Cytokinesis

    • D. 

      Anaphase

  • 4. 
    Which of the following steps occurs during prophase in mitosis?
    • A. 

      Sister chromatids separate

    • B. 

      Nuclear envelope disappears

    • C. 

      Nuclear envelope reappears

    • D. 

      Chromosomes undergo duplication

  • 5. 
    The spread of cancer cells beyond their original tumor site is called....
    • A. 

      Mitosis

    • B. 

      Fertilization

    • C. 

      Cytokinesis

    • D. 

      Metastasis

  • 6. 
    Select all the events that occurr during interphase.
    • A. 

      Chromosomes line up in the middle of the cell

    • B. 

      Cell grows in size

    • C. 

      Genetic material duplicates

    • D. 

      Centrioles move to opposite poles of the cell

    • E. 

      Number of organelles increases

  • 7. 
    Select the parts of the mitotic phase.
    • A. 

      Mitosis

    • B. 

      G1

    • C. 

      S phase

    • D. 

      Metaphase

    • E. 

      Cytokinesis

    • F. 

      G2

    • G. 

      Telephase

  • 8. 
    Which of the following lists the steps of mitosis in the proper order
    • A. 

      Prophase, metaphase, telophase, anaphase

    • B. 

      Metaphase, prophase, anaphase, telophase

    • C. 

      Prophase, metaphase, anaphase, telophase

    • D. 

      Telophase, metaphase, prohase, anaphase

  • 9. 
    What is the name of the structure that is beginning to divide this plant cell?
    • A. 

      Plasma membrane

    • B. 

      Cell plate

    • C. 

      Cell wall

  • 10. 
    • A. 

      A, B, C, D, F, E

    • B. 

      B, C, D, A, F, E

    • C. 

      F, D, C, A, B, E

    • D. 

      B, D, A, C, F, E

  • 11. 
    The work of several scientists helped to show that the hereditary (genetic) material is...
    • A. 

      DNA

    • B. 

      Proteins

    • C. 

      Ribosomes

    • D. 

      Mitochondria

  • 12. 
    What is the shape of a DNA molecule?
    • A. 

      Single helix

    • B. 

      Double helix

    • C. 

      Curly thing

    • D. 

      Spiral

  • 13. 
    Select each of the DNA nucleotides that have been paired properly according to the rules of base pairing.
    • A. 

      Cytosine - adenine

    • B. 

      Adenine - thymine

    • C. 

      Guanine - cytosine

    • D. 

      Guanine - thymine

    • E. 

      Cytosine - guanine

    • F. 

      Thymine - adenine

  • 14. 
    What is the enzyme that bonds nucleotides together during DNA replication?
    • A. 

      Helicase

    • B. 

      Ligase

    • C. 

      DNA polymerase

    • D. 

      Amylase