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DNA Structure and Replication

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
An RNA primer is synthesized by

DNA helicases
primase
ligase
DNA topoisomerase

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

30%
15%
Guanine residue can not be calculated
60%

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Lagging strand
Leading strands
Okazaki fragments
Primers

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

transposons
moving elements
retrovirus
introns

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

eukaryotic DNA polymerases are faster
more DNA polymerases are found in eukaryotes
RNA primers are not required in eukaryotes
multiple origins of replication in eukaryotes

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