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DNA Structure and Replication

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

helix-turn-helix
bZIP
zinc finger
TFIID

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DNA Structure and Replication
The 5' and 3' numbers are related to the

length of the DNA strand
carbon number in sugar
the number of phosphates
the base pair rule

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

HSP-1
HU
H-NS
All of these

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

One
Two
A smear
Three

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DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
ligase
DNA helicases
primase

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

Strongylocentrotus purpuratus
Xenopus laevis
Arabidopsis thaliana
Saccharomyces cerevisiae

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