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DNA Structure and Replication

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

zinc finger
TFIID
helix-turn-helix
bZIP

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Okazaki fragments
Replication forks
Leading strands
Replication origins

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DNA Structure and Replication
The nucleosome consists of histone

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

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DNA Structure and Replication
TM refers to the temperature at which

50% of a protein molecules are denatured
50% of a DNA molecule is denatured
All of these
membranes are 50% fluid

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

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

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DNA Structure and Replication
DNA helicase is used to

None of these
break a phosphodiester bond in DNA strand
interact the double helix closely
unwind the double helix

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