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DNA Structure and Replication

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

Histone H1
Histone H4
Histones H2A and H2B
Histone H3

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DNA Structure and Replication
DNA replication results in

one new DNA molecules 1 old molecule
two DNA molecules such that each one contains a strand of the original
one new molecule of RNA
two completely new DNA molecules

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

S, G2 and M phases
G2 and M phases
G1, G2 and M phases
G1,S, G2 and M phases

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

60%
Guanine residue can not be calculated
30%
15%

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It intercalates between bases
It binds to phosphate
It does not interact
It binds to adenine

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

5500 kilobase
4500 kilobase
3000 kilobase
6500 kilobase

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