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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

transformation
replication
synthesis
polymerase reaction

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA ligase
Primase
Helicase
DNA polymerase

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

single stranded binding proteins
DNA helicases
ligase
DNA topoisomerase

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

utilization the same enzyme
incorporation of deoxynucleotides
synthesis in the 5'-3' direction
None of these

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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
result in Okazaki fragments on leading strand
are joined together by DNA ligase

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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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