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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

helicase
reverse transcriptase
restriction endonuclease
transposase

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
nickase activity
exonuclease activity
endonuclease activity

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

all of these
below DNA containing 14N
above DNA containing 14N
with 14N-containing DNA

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

Primase
Telomerase
DNA ligase
DNA polymerase

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

transformation
translation
transduction
replication

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

gyrase
DNA ligase
RNA ligase
polymerase

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