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DNA Structure and Replication

DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

twisting number
none of these
helix frequency
linking number

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

90 °C
60°C
70 °C
100 °C

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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?

Okazaki fragments
Lagging strand
Primers
Leading strands

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

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

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high G-C content
DNA with a high A-T content
RNA with a high A-T content
DNA with a high G-C content

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

bZIP
zinc finger
helix-turn-helix
TFIID

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