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DNA Structure and Replication

DNA Structure and Replication
A cesium chloride will separate DNA molecules by

density
resorption
absorption
adhesion

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA ligase
Primase
Telomerase
DNA polymerase

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

Synthesase
Polymerase
Replicase
Helicase

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

covalent bonds between the pair of bases
None of these
hydrogen bonds between the pair of bases
ionic bonds between the pair of bases

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

positive pole
none of these
will not migrate
negative pole

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

below DNA containing 14N
above DNA containing 14N
all of these
with 14N-containing DNA

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