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DNA Structure and Replication

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

helicase
reverse transcriptase
restriction endonuclease
transposase

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

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

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

R. Franklin
Leaderberg
L. Pauling
W.H. Bragg

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

Single stranded protein, DNAa
DNAb, gyrase
DNAa, gyrase
DNAb, DNA polymerase

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DNA Structure and Replication
Reverse transcriptase produces

RNA from DNA
DNA from RNA
DNA from peptides
RNA from RNA

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

DNA polymerase
helicase
strandase
none of these

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