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DNA Structure and Replication

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

All of these
H-NS
HSP-1
HU

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

discontinuous
antiparallel
mutational
semiconservative

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

Three
One
Two
A smear

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Synthesase
Helicase
Replicase
Polymerase

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Saccharomyces cerevisiae
Xenopus laevis
Strongylocentrotus purpuratus
Arabidopsis thaliana

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium band
One light, one medium and one heavy band
One light and one medium band
One medium and one heavy band

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