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DNA Structure and Replication

DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It binds to phosphate
It does not interact
It intercalates between bases

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

none of these
About 100
Thousands and tens of thousands
One

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

μl
1
nl
ml

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

the ratio of Adenine to thymine was always the same
DNA was responsible for heredity
proteins and DNA were responsible for heredity
phage DNA was similar to bacterial DNA

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

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

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

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

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