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DNA Structure and Replication

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

DNA ligase
DNA polymerase
helicase
primase

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

Histone H3
Histone H1
Histones H2A and H2B
Histone H4

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

none of these
will not migrate
negative pole
positive pole

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

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

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
M phase
S phase
G1 phase

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DNA Structure and Replication
Which will require a higher temperature to denature?

DNA with a high A-T content
RNA with a high A-T content
DNA with a high G-C content
RNA with a high G-C content

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