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DNA Structure and Replication

DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Guanine
Cytosine
Adenine
Thymine

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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
Remains same
Decreases
Increases

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

halonoid
kinoplast
none of these
solenoid

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

H-NS
All of these
HU
HSP-1

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DNA Structure and Replication
DNA replication takes place in which direction?

Randomly
5 'to 3'
Vary from organism to organism
3' to 5'

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

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

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