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DNA Structure and Replication

DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

antiparallel
discontinuous
mutational
semiconservative

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

nickase activity
exonuclease activity
endonuclease activity
no activity

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Leading strands
Primers
Okazaki fragments
Lagging strand

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

gyrase
DNA ligase
polymerase
RNA ligase

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

single stranded binding proteins
DNA helicases
ligase
DNA topoisomerase

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

conservative theory
semi-conservative theory
evolutionary theory
dispersive theory

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