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?

Thousands and tens of thousands
One
none of these
About 100

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DNA Structure and Replication
In a typical electrophoresis experiment, larger fragments of DNA move more

quickly, so they appear nearer the bottom of a gel photograph
slowly, so they appear nearer the top of a gel photograph
quickly, so they appear nearer the top of a gel photograph
slowly, so they appear nearer the bottom of a gel photograph

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