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If one strand of a DNA molecule has
the base sequence ATTGCAT, its
complementary strand will have the
sequence:
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TAACGTA
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Which London surgeon noted in 1775
that chimney sweeps exhibited
frequent cancer of the scrotum?
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Sir Percivall Pott
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What observation did Dr. Katsusaburo Yamagiwa make to lead him to believe that chemicals cause cancer?
|
He observed that when coal tar extracts were applied to rabbit skin, cancers eventually developed
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Which is incorrect about the bases in nucleic acids?
|
The purines are thymine and cytosine.
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The process when an individual gene moves from one place in the genome to another is called a:
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Transposition
|
Which researcher in 1761
noted unusual tumors of the nose in snuff users and suggested tobacco as the cause? |
John Hill
|
Which is correct
about DNA replication? |
The place where the parent
DNA becomes unzipped during DNA replication is called the replication fork. |
Based on which of the
following pieces of evidence about the transforming agent did Avery conclude that DNA is the hereditary material? |
All of the choices are
correct |
Which scientists determined
that DNA synthesis is semiconservative? |
Matthew Meselson and
Franklin Stahl |
When Frederick Griffith
injected dead bacteria of the virulent S strain into mice, the mice: |
Remained healthy
|
The Hershey-Chase
experiment demonstrated that RNA, not protein, is the hereditary material |
FALSE
|
If the sequence of one strand of DNA is CATTACGGG, then the complementary strand would be GTAATGCCC. |
TRUE
|
Which choice describes how
the DNA molecule replicates? |
Semiconservative
|
The building blocks of DNA
are called: |
Nucleotides
|
All of the following are
correct about DNA replication except: |
Helicase is the enzyme
which rewinds the DNA after |