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DNA Structure and Replication

DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

transposase
restriction endonuclease
reverse transcriptase
helicase

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

All of these
Tunicamycin
Bleomycin
Erythromycin

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

Histone H1
Histones H2A and H2B
Histone H3
Histone H4

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DNA Structure and Replication
DNA replication results in

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

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

all of these
Polymerase III
Polymerase II
Polymerase I

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Replication origins
Okazaki fragments
Replication forks

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