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DNA Structure and Replication

DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dTTP
dATP
all of these
dGTP and dCTP

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA helicases
ligase
single stranded binding proteins
DNA topoisomerase

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DNA Structure and Replication
DNA helicase is used to

unwind the double helix
None of these
interact the double helix closely
break a phosphodiester bond in DNA strand

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

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

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase I
none of these
Polymerase III
Polymerase II

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

helix-turn-helix
TFIID
bZIP
zinc finger

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