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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?

zinc finger
TFIID
helix-turn-helix
bZIP

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

DNA polymerase
primase
helicase
DNA ligase

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

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

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

Xenopus laevis
Arabidopsis thaliana
Strongylocentrotus purpuratus
Saccharomyces cerevisiae

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

L. Pauling
W.H. Bragg
Leaderberg
R. Franklin

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Ori
Pro
a promoter
an initiation codon

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