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DNA Structure and Replication

DNA Structure and Replication
DNA replication takes place in which direction?

5 'to 3'
3' to 5'
Randomly
Vary from organism to organism

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Leading strands
Primers
Lagging strand
Okazaki fragments

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

low temperature and Ca++
low temperature and Mg++
high temperature and Mg++
high temperature and Ca++

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

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

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

conservative replication
semi-conservative replication
dispersive replication
Cri du Chat

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase III
Polymerase II
Polymerase I
none of these

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