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DNA Structure and Replication

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

Polymerase III
Polymerase I
Polymerase II
none of these

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DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H1
Histone H3
Histone H4
Histones H2A and H2B

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DNA Structure and Replication
The nucleosome consists of histone

tetramer and 146 bp of DNA
octamer and 146 bp of DNA
hexamer and 146 bp of DNA
None of these

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DNA Structure and Replication
Which polymerase is active in DNA repairing

none of these
Polymerase I
Polymerase III
Polymerase II

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Arabidopsis thaliana
Saccharomyces cerevisiae
Strongylocentrotus purpuratus
Xenopus laevis

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium and one heavy band
One light, one medium and one heavy band
One medium band
One light and one medium band

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