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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
conservative theory
dispersive theory
semi-conservative theory

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

semiconservative
discontinuous
mutational
antiparallel

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Synthesase
Helicase
Polymerase
Replicase

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

pyrimidines
purines
All of these
protamines

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

Tunicamycin
Erythromycin
Bleomycin
All of these

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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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