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DNA Structure and Replication

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

Polymerase
Synthesase
Replicase
Helicase

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

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

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DNA Structure and Replication
The nucleosome consists of histone

hexamer and 146 bp of DNA
None of these
octamer and 146 bp of DNA
tetramer and 146 bp of DNA

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

60%
Guanine residue can not be calculated
15%
30%

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

below DNA containing 14N
all of these
with 14N-containing DNA
above DNA containing 14N

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

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

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