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DNA Structure and Replication

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

dispersive replication
semi-conservative replication
Cri du Chat
conservative replication

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DNA Structure and Replication
TM refers to the temperature at which

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

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

zinc finger
bZIP
TFIID
helix-turn-helix

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DNA Structure and Replication
Which is the largest among the followings?

Nucleotide
Nitrogenous base
Carbon
Phosphate

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DNA Structure and Replication
In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%?

Decreases
Increases
Remains same
Can not be compared

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

M phase
G1 phase
G2 phase
S phase

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