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DNA Structure and Replication

DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA ligase
DNA polymerase
Helicase
Primase

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA polymerase
Primase
DNA ligase
Telomerase

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DNA Structure and Replication
The 5' and 3' numbers are related to the

carbon number in sugar
length of the DNA strand
the base pair rule
the number of phosphates

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

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G2 and M phases
G1, G2 and M phases
S, G2 and M phases
G1,S, G2 and M phases

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

Cri du Chat
conservative replication
dispersive replication
semi-conservative replication

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