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DNA Structure and Replication

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

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

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

Telomerase
DNA polymerase
Primase
DNA ligase

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

will not migrate
positive pole
negative pole
none of these

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

40 to 50%
10 to 20%
30 to 40%
20 to 30%

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DNA Structure and Replication
DNA gyrase in E. coli

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

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

bZIP
TFIID
helix-turn-helix
zinc finger

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