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Chapter 14: Dna: The Genetic Material

40 Questions  I  By Aggiegal8
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1.  DNA consists of two antiparallel strands of nucleotide chains held together by
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2.  The method of DNA replication, where each original strand is used as a template to build a new strand, is called the
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3.  The enzyme that catalyzes the synthesis of new DNA molecules is called
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4.  Griffith worked with
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5.  When nonvirulent bacteria were mixed with dead virulent bacteria, Griffith unexpectedly found that the injected mice died. He explained this behavior by suggesting the nonvirulent strain of bacteria as being
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6.  Avery and his coworkers showed the "transforming principle" as
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7.  Which of the following statements about the Hershey-Chase experiment is false?
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8.  Hershey-Chase concluded from their experiment with T2 bacteriophage that
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9.  A bacteriophage typically attaches to the bacterium and then
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10.  DNA primase
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11.  An enzyme unwind DNA helical structure is
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12.  Which of the following is not a component of nucleic acids?
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13.  The reading of the bases along the length of a nucleic acid molecule for either transcription or translation is done from the
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14.  The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
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15.  Chargaff's rules for the pairing of nitrogen bases is
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16.  Information obtained by Franklin from X-ray crystallography on DNA suggested that it is a
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17.  The chemical bonds that stabilize the complimentary nitrogen bases into a double helix are
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18.  The two strands in the DNA molecule contain nitrogen bases which are
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19.  Replication of DNA is
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20.  DNA polymerase requires a(n)
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21.  The lagging strand is replicated with stretches of Okazaki fragments and that is why its synthesis is considered to be
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22.  Replication always proceeds by adding new bases to the
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23.  Which of the following statements about replication of DNA is false?
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24.  The double helix model was proposed by
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25.  Griffith, a British microbiologist, used a bacteria and mice to demonstrate transformation. His results clearly offered evidence for that process. Transformation is
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26.  In 1952, Hershey and Chase confirmed Avery's (1944) results that
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27.  Fourteen percent of the DNA nucleotides from a certain organism contain T. What amounts of the other bases would you expect to be present in this particular DNA?
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28.  If a short sequence of DNA is AATTGCCGT, its complement is
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29.  When DNA is replicated during S of the cell cycle, the sequence is maintained but the double strand is not. Each strand of the original double strand accompanies its new complement strand. This process is known as the
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30.  A scientist developed a procedure that would cause a particular chemical to bind with the nitrogen base adenine. If this chemical were applied prior to S in the cell cycle, what might be a logical prediction of the outcome?
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31.  The site of the opening of the DNA strands where active replication occurs is referred to as the
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32.  Which of the following DNA replicating enzymes is responsible for unwinding the double helix of DNA?
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33.  Which of the following choices is the correct sequence for DNA replication in E. coli?
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34.  DNA pol III synthesizes the leading strand as a continuous strand. The lagging strands are synthesized in segments, called
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35.  The structure of DNA is a double helix with two polynucleotide chains running in opposite directions and held together by hydrogen bonding between pairs of bases.
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36.  When injected into a bacterial cell by T2 virus particles, the material that specifies the new generation of viruses is DNA and not protein.
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37.  X-ray crystallography of purified DNA fibers shows a pattern that suggests a helical structure, and provides dimensions of that structure.
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38.  DNA always contain amounts of the four bases, A, G, C, and T, characteristic of the species, but A = T and G = C, and purines equals pyrimidines.
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39.  The DNA double helix is similar to a twisted ladder. What makes up the sides holding the rungs together?
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40.  Which of the following DNA sequences is complementary to 5' ATGGTCAGT 3'?
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