Louisiana State University

BIOL 1201

Chapter 16

1)Griffith’s experiments with S. pneumoniae were significant because they showed that traits could be transferred from one organism to another. What else did he find that was significant?

In the Hershey and Chase experiment that helped confirm that DNA, not protein, was the hereditary material, what was the key finding?

Who conducted the X-ray diffraction studies that were key to the discovery of the structure of DNA?
DNA replication is said to be semiconservative. What does this mean?
What is the function of helicase in DNA replication?

What process repairs damage to a preexisting double helix?
In nucleotide excision repair, damaged DNA is excised by what enzyme(s)?
What are the repetitive DNA sequences present at the ends of eukaryotic chromosomes

called?

What are chromosomes made of?
Which of the following is true of DNA during interphase?
Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?
Which of the following help(s) to hold the DNA strands apart while they are being replicated?
Which of the following statements describes the eukaryotic chromosome?
In E. coli, there is a nutation in a gene called dnaB that alters the helicase that normally acts at the origin. Which of the following would you expect as a result of this mutation?
It became apparent to Watson and Crick after completion of their model that the DNA molecule could carry a vast amount of hereditary information in which of the following?
What is the function of topoisomerase?

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Louisiana State University BIOL 1201 Chapter 16 1)Griffith’s experiments with S

Biology

Louisiana State University

BIOL 1201