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DNA Structure and Replication

DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase II
none of these
Polymerase III
Polymerase I

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Dehydration
Single strand break
Depurination
Formation of thymine dimers

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

All of these
Bleomycin
Tunicamycin
Erythromycin

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

M phase
S phase
G1 phase
G2 phase

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

an initiation codon
Pro
a promoter
Ori

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DNA Structure and Replication
Which polymerase is active in DNA repairing

none of these
Polymerase II
Polymerase III
Polymerase I

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