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DNA Structure and Replication

DNA Structure and Replication
The DNA is negatively super coiled, complexes to histone,

H-NS
All of these
HSP-1
HU

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

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

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

Lagging strand, ligase
tRNA, polymerase
Leading strand, polymerase
mRNA, anticodons

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

moving elements
transposons
retrovirus
introns

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G2 and M phases
G1,S, G2 and M phases
S, G2 and M phases
G1, G2 and M phases

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

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

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