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DNA Structure and Replication

DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dATP
dTTP
all of these
dGTP and dCTP

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase II
Polymerase I
Polymerase III
none of these

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DNA Structure and Replication
The chromosomal DNA complexes with

five types of histone as H1, H2A, H2B, H3 and H4
four types of histone as H1, H2A, H3 and H4
three types of histone as H1, H2A and H4
two types of histone as H1 and H4

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

Histone H1
Histone H4
Histone H3
Histones H2A and H2B

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DNA Structure and Replication
DNA replication takes place in which direction?

Randomly
Vary from organism to organism
5 'to 3'
3' to 5'

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Two
Three
One
A smear

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