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DNA Structure and Replication

DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

All of these
protamines
purines
pyrimidines

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

TFIID
zinc finger
bZIP
helix-turn-helix

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

low temperature and Mg++
low temperature and Ca++
high temperature and Ca++
high temperature and Mg++

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

conservative replication
dispersive replication
semi-conservative replication
Cri du Chat

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
M phase
G2 phase
S phase

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DNA Structure and Replication
TM refers to the temperature at which

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

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