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DNA Structure and Replication

DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Guanine
Phosphate
Cytosine
Uracil

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

primase
DNA ligase
helicase
DNA polymerase

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

Histones H2A and H2B
Histone H4
Histone H3
Histone H1

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DNA Structure and Replication
The packing ratio of nucleosomes is about

7
9
6
8

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DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
primase
DNA helicases
ligase

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

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

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