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DNA Structure and Replication

DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

an initiation codon
Ori
a promoter
Pro

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

Histone H4
Histone H1
Histones H2A and H2B
Histone H3

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA polymerase
Helicase
Primase
DNA ligase

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

helicase
transposase
reverse transcriptase
restriction endonuclease

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

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

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DNA Structure and Replication
The role of primase is to

proofread base pairing
synthesize an RNA primer to begin the elongation process
cleave and unwinds short sections of DNA ahead of the replication fork
dismantle RNA primer

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