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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

a promoter
an initiation codon
Ori
Pro

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DNA Structure and Replication
An RNA primer is synthesized by

DNA helicases
primase
DNA topoisomerase
ligase

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

Polymerase III
Polymerase I
Polymerase II
all of these

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DNA Structure and Replication
DNA polymerases I also has

3'-5'exonuclease activity
5'-3' exonuclease activity
5'-3' endonuclease activity
both (a) and (b)

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

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

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

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