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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

Ori
a promoter
an initiation codon
Pro

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

A smear
Three
Two
One

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

adhesion
density
absorption
resorption

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, DNA polymerase
DNAa, gyrase
DNAb, gyrase
Single stranded protein, DNAa

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Phosphate
Guanine
Uracil

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

single stranded binding proteins
DNA topoisomerase
DNA helicases
ligase

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