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DNA Structure and Replication

DNA Structure and Replication
The DNA is negatively super coiled, complexes to histone,

All of these
H-NS
HSP-1
HU

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

linking number
helix frequency
twisting number
none of these

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DNA Structure and Replication
Reverse transcriptase produces

RNA from DNA
DNA from RNA
DNA from peptides
RNA from RNA

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

single stranded binding proteins
DNA topoisomerase
DNA helicases
ligase

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

Z-DNA
A-DNA
B-DNA
X-DNA

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DNA Structure and Replication
The nucleosome consists of histone

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

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