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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

Pro
Ori
a promoter
an initiation codon

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Two
A smear
Three
One

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

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

DNA ligase
Helicase
Primase
DNA polymerase

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

Z-DNA
B-DNA
A-DNA
X-DNA

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

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

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