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DNA Structure and Replication

DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

All of these
pyrimidines
purines
protamines

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

Histone H3
Histones H2A and H2B
Histone H4
Histone H1

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

Polymerase I
Polymerase II
all of these
Polymerase III

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

H-NS
HSP-1
HU
All of these

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

Cri du Chat
conservative replication
dispersive replication
semi-conservative replication

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

4500 kilobase
3000 kilobase
6500 kilobase
5500 kilobase

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