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DNA Structure and Replication

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

HU
All of these
HSP-1
H-NS

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

helix frequency
none of these
twisting number
linking number

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

15%
30%
Guanine residue can not be calculated
60%

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DNA Structure and Replication
The 5' and 3' numbers are related to the

carbon number in sugar
length of the DNA strand
the number of phosphates
the base pair rule

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DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme
DNA + ATP + HU
DNA+ ATP + HU + DNAb + DNAa
DNA + ATP + HU + DNAb

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high A-T content
DNA with a high G-C content
DNA with a high A-T content
RNA with a high G-C content

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MORE MCQ ON DNA Structure and Replication

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