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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
4 replication forks
1 replication forks
2 replication forks

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase II
Polymerase I
none of these
Polymerase III

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

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

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA helicases
ligase
single stranded binding proteins
DNA topoisomerase

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Ori
a promoter
Pro
an initiation codon

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DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
anode to cathode
A to B
cathode to anode

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