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DNA Structure and Replication

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

Polymerase III
Polymerase I
Polymerase II
none of these

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DNA Structure and Replication
Okazaki fragments occur during

polymerase reaction
synthesis
transformation
replication

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

Histones H2A and H2B
Histone H3
Histone H4
Histone H1

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DNA Structure and Replication
DNA replication results in

one new molecule of RNA
two DNA molecules such that each one contains a strand of the original
two completely new DNA molecules
one new DNA molecules 1 old molecule

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DNA Structure and Replication
DNA gyrase in E. coli

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

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

low temperature and Mg++
high temperature and Ca++
high temperature and Mg++
low temperature and Ca++

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