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DNA Structure and Replication

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

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

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

Pro
a promoter
an initiation codon
Ori

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

All of these
Tunicamycin
Erythromycin
Bleomycin

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DNA Structure and Replication
Automated DNA sequencing uses the chain termination method

with no primer
but with an oligonucleotide primer labeled with a fluorescent dye
either (b) or (c)
but with a polynucleotide primer labeled with a fluorescent dye

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DNA Structure and Replication
The DNA is negatively super coiled, complexes to histone,

All of these
HU
HSP-1
H-NS

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

DNA helicases
DNA topoisomerase
ligase
single stranded binding proteins

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