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DNA Structure and Replication

DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase I
none of these
Polymerase III
Polymerase II

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DNA Structure and Replication
DNA helicase is used to

None of these
break a phosphodiester bond in DNA strand
unwind the double helix
interact the double helix closely

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

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DNA Structure and Replication
Okazaki fragments occur during

replication
synthesis
transformation
polymerase reaction

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

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

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

protamines
All of these
pyrimidines
purines

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