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DNA Structure and Replication

DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dTTP
dGTP and dCTP
dATP
all of these

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

3000 kilobase
5500 kilobase
6500 kilobase
4500 kilobase

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DNA Structure and Replication
Reverse transcriptase produces

DNA from peptides
RNA from RNA
DNA from RNA
RNA from DNA

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

One
Two
Three
A smear

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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%?

Increases
Decreases
Remains same
Can not be compared

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

Saccharomyces cerevisiae
Strongylocentrotus purpuratus
Arabidopsis thaliana
Xenopus laevis

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