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DNA Structure and Replication

DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

helicase
none of these
DNA polymerase
strandase

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DNA Structure and Replication
The nucleosome consists of histone

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

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DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Guanine
Thymine
Adenine
Cytosine

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

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

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

mutational
antiparallel
semiconservative
discontinuous

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

Polymerase I
all of these
Polymerase II
Polymerase III

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