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DNA Structure and Replication

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

none of these
twisting number
helix frequency
linking number

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

bZIP
zinc finger
TFIID
helix-turn-helix

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DNA Structure and Replication
In DNA, guanine pairs with

Adenine
Thymine
Uracil
Cytosine

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
S phase
M phase
G1 phase

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

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

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DNA Structure and Replication
The nucleosome consists of histone

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

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