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DNA Structure and Replication

DNA Structure and Replication
DNA can be sequenced by the

both (a) and (b)
chain termination procedure
physical method
chemical method

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
Leading strand, polymerase
Lagging strand, ligase
mRNA, anticodons

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DNA Structure and Replication
An RNA primer is synthesized by

DNA helicases
DNA topoisomerase
ligase
primase

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

20 to 30%
30 to 40%
40 to 50%
10 to 20%

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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%?

Remains same
Increases
Can not be compared
Decreases

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Xenopus laevis
Arabidopsis thaliana
Saccharomyces cerevisiae
Strongylocentrotus purpuratus

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