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DNA Structure and Replication

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

none of these
negative pole
will not migrate
positive pole

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DNA Structure and Replication
Okazaki fragments occur during

polymerase reaction
synthesis
replication
transformation

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

high temperature and Ca++
low temperature and Ca++
high temperature and Mg++
low temperature and Mg++

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

kinoplast
none of these
halonoid
solenoid

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

exonuclease activity
no activity
nickase activity
endonuclease activity

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Dehydration
Single strand break
Depurination
Formation of thymine dimers

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