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

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

zinc finger
TFIID
helix-turn-helix
bZIP

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

S phase
G1 phase
G2 phase
M phase

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Pro
Ori
a promoter
an initiation codon

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DNA Structure and Replication
DNA can be sequenced by the

chain termination procedure
both (a) and (b)
physical method
chemical method

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

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

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