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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
introns
retrovirus
transposons

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

Polymerase II
all of these
Polymerase I
Polymerase III

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One light, one medium and one heavy band
One medium and one heavy band
One light and one medium band
One medium band

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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
One
About 100
none of these

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DNA Structure and Replication
In DNA, guanine pairs with

Cytosine
Adenine
Uracil
Thymine

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DNA Structure and Replication
The role of primase is to

synthesize an RNA primer to begin the elongation process
proofread base pairing
dismantle RNA primer
cleave and unwinds short sections of DNA ahead of the replication fork

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