Chapter 25 Quiz

Instructions
Take the chapter quiz.

This assessment is worth 100 points.

  1. The hereditary material found in eukaryotic cells is   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  2. Because one original strand of the double-stranded helix is found in each daughter cell, the replication process is called   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  3. Which is most directly responsible for the sequence of amino acids in a protein?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  4. Initiation, elongation, and termination are three stages in   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  5. Which level of primary control in eukaryotic gene activity involves changes in the polypeptide chain before it becomes functional?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  6. When a bacterial spore is introduced to a new medium, fission allows for a rapid expansion of the populations (2-4-8-16-32-64 . . . etc.) But there is usually a slight lag before the bacteria begin building up at this logarithmic rate. What is the best explanation?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  7. Specific DNA sequences that have the ability to move within and out of chromosomes are called   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  8. All of these are considered carcinogens EXCEPT   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  9. Which of the following is NOT true about oncogenes?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  10. When the sheep Dolly was successfully cloned, it was produced by growing an in vitro fertilized egg where the normal egg nucleus had been removed and replaced by a nucleus from an adult. Since this nucleus is from an old mature animal, we would expect it to ______. Interestingly, tests show that this did not happen, a fact that currently puzzles researchers.   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  



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