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DNA Structure and Replication

DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
cathode to anode
A to B
anode to cathode

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

exonuclease activity
nickase activity
endonuclease activity
no activity

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

None of these
synthesis in the 5'-3' direction
incorporation of deoxynucleotides
utilization the same enzyme

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

Histone H4
Histone H1
Histones H2A and H2B
Histone H3

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Depurination
Formation of thymine dimers
Dehydration
Single strand break

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