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Nucleotide Excision Repair
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View the animation below, then complete the quiz to test your knowledge of the concept.





1What protein cuts the damaged DNA strand?
A)UvrB
B)UvrC
C)UvrD
D)UvrA


2Which protein has a helicase function?
A)UvrB
B)UvrC
C)UvrD
D)UvrA


3Which of the following synthesizes the new DNA strand?
A)DNA ligase
B)DNA polymerase
C)DNA helicase
D)UvrA-UvrB trimer


4Nucleotide excision repair only repairs pyrimidine dimmers.
A)True
B)False


5In nucleotide excision repair, both strands of the DNA are cut and repaired using DNA polymerase and DNA ligase.
A)True
B)False





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