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DNA Structure and Replication

DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

5500 kilobase
4500 kilobase
6500 kilobase
3000 kilobase

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Synthesase
Replicase
Helicase
Polymerase

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

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

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

transposase
restriction endonuclease
reverse transcriptase
helicase

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DNA Structure and Replication
Which is the largest among the followings?

Nitrogenous base
Carbon
Nucleotide
Phosphate

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

One
Two
Three
A smear

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