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DNA Structure and Replication

DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, DNA polymerase
DNAb, gyrase
DNAa, gyrase
Single stranded protein, DNAa

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Two
One
A smear
Three

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

replication
translation
transduction
transformation

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

zinc finger
TFIID
bZIP
helix-turn-helix

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

DNA polymerase
Telomerase
DNA ligase
Primase

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

H
None of these
S
B

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