Exercise: Dna Structure And Replication

Questions for: Dna Structure And Replication

Who's X-ray work aided Watson and Crick in their discovery of the double helix?
A:
W.H. Bragg
B:
R. Franklin
C:
L. Pauling
D:
Leaderberg
Answer: B
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DNA with a G-C content of 50% will melt at approximately
A:
60°C
B:
70 °C
C:
90 °C
D:
100 °C
Answer: C
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Which of the following is not a structural motif in DNA binding proteins?
A:
bZIP
B:
helix-turn-helix
C:
TFIID
D:
zinc finger
Answer: C
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Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?
A:
5' → 3' polymerase
B:
3' → 5' exonuclease
C:
5' → 3' exonuclease
D:
all of the above
Answer: A
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An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called
A:
transposase
B:
helicase
C:
reverse transcriptase
D:
restriction endonuclease
Answer: D
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