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DNA Structure and Replication

DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

DNA ligase
DNA polymerase
primase
helicase

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

a promoter
Pro
Ori
an initiation codon

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Replicase
Synthesase
Polymerase
Helicase

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

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

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase I
Polymerase III
Polymerase II
none of these

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DNA Structure and Replication
DNA helicase is used to

break a phosphodiester bond in DNA strand
unwind the double helix
interact the double helix closely
None of these

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