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DNA Structure and Replication

DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase III
Polymerase II
Polymerase I

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

none of these
Thousands and tens of thousands
About 100
One

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

nl
1
μl
ml

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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
reverse transcriptase
restriction endonuclease
transposase

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

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

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DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA + ATP + HU
DNA + ATP + HU + DNAb
DNA+ ATP + HU + DNAb + DNAa
DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme

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