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DNA Structure and Replication

DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

reverse transcriptase
transposase
helicase
restriction endonuclease

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

dispersive replication
Cri du Chat
conservative replication
semi-conservative replication

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

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

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Xenopus laevis
Strongylocentrotus purpuratus
Arabidopsis thaliana
Saccharomyces cerevisiae

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

Synthesase
Replicase
Helicase
Polymerase

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