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DNA Structure and Replication

DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H4
Histones H2A and H2B
Histone H3
Histone H1

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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
Which of the following enzyme adds complementary bases during replication?

Polymerase
Replicase
Helicase
Synthesase

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DNA Structure and Replication
DNA replication takes place in which direction?

5 'to 3'
Vary from organism to organism
Randomly
3' to 5'

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

Polymerase III
Polymerase I
none of these
Polymerase II

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DNA Structure and Replication
DNA gyrase in E. coli

is required only at the oriC site
adds positive supercoils to chromosomal DNA
performs the same function as helicase in eukaryotes
can be inhibited with antibiotics

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