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DNA Structure and Replication

DNA Structure and Replication
An RNA primer is synthesized by

DNA helicases
ligase
primase
DNA topoisomerase

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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
Guanosine in ApGpA trinucleotides
Cytosine in CpG dinucleotides

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

4500 kilobase
5500 kilobase
3000 kilobase
6500 kilobase

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DNA Structure and Replication
DNA replication results in

two DNA molecules such that each one contains a strand of the original
one new DNA molecules 1 old molecule
one new molecule of RNA
two completely new DNA molecules

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

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

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DNA Structure and Replication
The nucleosome consists of histone

None of these
tetramer and 146 bp of DNA
hexamer and 146 bp of DNA
octamer and 146 bp of DNA

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