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DNA Structure and Replication

DNA Structure and Replication
In DNA, guanine pairs with

Uracil
Adenine
Thymine
Cytosine

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DNA Structure and Replication
Which of the following would not contain DNA?

Bacteria
Yeast
Mold
Glass crystals

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DNA Structure and Replication
The RNA primers used to initiate replication in E. coli

result in Okazaki fragments on leading strand
are removed by helicase + ATP
are joined together by DNA ligase
are removed by Pol I

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

the sedimentation coefficient
comparison with a molecular weight standard such as Hind III digested phage lambda
the time it takes the gel to run
fluorescence in UV light

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

20 to 30%
10 to 20%
30 to 40%
40 to 50%

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

RNA primers are not required in eukaryotes
eukaryotic DNA polymerases are faster
more DNA polymerases are found in eukaryotes
multiple origins of replication in eukaryotes

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