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DNA Structure and Replication

DNA Structure and Replication
An RNA primer is synthesized by

ligase
DNA topoisomerase
primase
DNA helicases

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DNA Structure and Replication
TM refers to the temperature at which

All of these
membranes are 50% fluid
50% of a DNA molecule is denatured
50% of a protein molecules are denatured

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

RNA primers are not required in eukaryotes
multiple origins of replication in eukaryotes
eukaryotic DNA polymerases are faster
more DNA polymerases are found in eukaryotes

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

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

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

gyrase
DNA ligase
RNA ligase
polymerase

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium band
One light and one medium band
One medium and one heavy band
One light, one medium and one heavy band

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