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DNA Structure and Replication

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

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

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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?

One
none of these
Thousands and tens of thousands
About 100

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DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
anode to cathode
cathode to anode
A to B

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DNA Structure and Replication
In DNA, guanine pairs with

Uracil
Cytosine
Thymine
Adenine

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

Z-DNA
X-DNA
B-DNA
A-DNA

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DNA Structure and Replication
DNA helicase is used to

break a phosphodiester bond in DNA strand
None of these
unwind the double helix
interact the double helix closely

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