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DNA Structure and Replication

DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

moving elements
transposons
introns
retrovirus

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

will not migrate
positive pole
negative pole
none of these

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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
One
Two
Three

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

below DNA containing 14N
with 14N-containing DNA
above DNA containing 14N
all of these

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DNA Structure and Replication
Okazaki fragments occur during

replication
synthesis
polymerase reaction
transformation

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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?

Thousands and tens of thousands
About 100
One
none of these

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