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DNA Structure and Replication

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

semi-conservative replication
Cri du Chat
dispersive replication
conservative replication

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

all of these
with 14N-containing DNA
below DNA containing 14N
above DNA containing 14N

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

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

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

ml
μl
nl
1

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Single strand break
Formation of thymine dimers
Depurination
Dehydration

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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
a promoter
an initiation codon
Pro

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