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DNA Structure and Replication

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

HSP-1
All of these
HU
H-NS

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

4500 kilobase
3000 kilobase
5500 kilobase
6500 kilobase

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication origins
Okazaki fragments
Leading strands
Replication forks

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DNA Structure and Replication
What is the only common methylation in the DNA of eukaryotes?

Adenosine in GpA dinucleotides
None of these
Guanosine in ApGpA trinucleotides
Cytosine in CpG dinucleotides

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DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H1
Histone H4
Histones H2A and H2B
Histone H3

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DNA Structure and Replication
Each replication bubbles consists of

2 replication forks
4 replication forks
1 replication forks
3 replication forks

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