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DNA Structure and Replication

DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase II
Polymerase I
none of these
Polymerase III

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

single stranded binding proteins
ligase
DNA helicases
DNA topoisomerase

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

polymerase
DNA ligase
gyrase
RNA ligase

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DNA Structure and Replication
The RNA primers used to initiate replication in E. coli

are removed by Pol I
are removed by helicase + ATP
are joined together by DNA ligase
result in Okazaki fragments on leading strand

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Semi-conservative theory
Conservative theory
Dispersive theory
Evolutionary theory

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
dispersive theory
semi-conservative theory
conservative theory

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