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DNA Structure and Replication

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

purines
All of these
pyrimidines
protamines

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

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

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

μl
ml
1
nl

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

dispersive replication
Cri du Chat
semi-conservative replication
conservative replication

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DNA Structure and Replication
DNA can be sequenced by the

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

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

negative pole
positive pole
none of these
will not migrate

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