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DNA Structure and Replication

DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

primase
both (a) and (b)
reverse transcriptase
RNA polymerase

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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

discontinuous
mutational
antiparallel
semiconservative

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

dTTP
dATP
all of these
dGTP and dCTP

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It intercalates between bases
It does not interact
It binds to adenine
It binds to phosphate

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

primase
DNA ligase
DNA polymerase
helicase

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DNA Structure and Replication
DNA polymerases I also has

5'-3' exonuclease activity
5'-3' endonuclease activity
3'-5'exonuclease activity
both (a) and (b)

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