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DNA STRUCTURE AND REPLICATION

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

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

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

reverse transcriptase
restriction endonuclease
transposase
helicase

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' exonuclease
3' → 5' exonuclease
5' → 3' polymerase
All of these

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

TFIID
helix-turn-helix
zinc finger
bZIP

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

100 °C
60°C
90 °C
70 °C

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