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DNA Structure and Replication

DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

reverse transcriptase
both (a) and (b)
RNA polymerase
primase

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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?

Thousands and tens of thousands
About 100
none of these
One

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DNA Structure and Replication
Which of the following would not contain DNA?

Bacteria
Glass crystals
Yeast
Mold

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Three
One
A smear
Two

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

None of these
Chromosomes would become progressively shorter
Nothing would happen
Chromosomes would get longer

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DNA Structure and Replication
Which polymerase is active in DNA repairing

none of these
Polymerase II
Polymerase III
Polymerase I

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