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DNA Structure and Replication

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

H-NS
HSP-1
HU
All of these

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

utilization the same enzyme
incorporation of deoxynucleotides
None of these
synthesis in the 5'-3' direction

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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%?

Can not be compared
Increases
Decreases
Remains same

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DNA Structure and Replication
The chromosomal DNA complexes with

four types of histone as H1, H2A, H3 and H4
two types of histone as H1 and H4
three types of histone as H1, H2A and H4
five types of histone as H1, H2A, H2B, H3 and H4

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

helix-turn-helix
TFIID
zinc finger
bZIP

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA ligase
Telomerase
DNA polymerase
Primase

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