Biology, Eighth Edition (Raven)

Chapter 15: Genes and How They Work

Nucleotide Excision Repair

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



1.

What protein cuts the damaged DNA strand?
A)UvrB
B)UvrC
C)UvrD
D)UvrA
2.

Which protein has a helicase function?
A)UvrB
B)UvrC
C)UvrD
D)UvrA
3.

Which of the following synthesizes the new DNA strand?
A)DNA ligase
B)DNA polymerase
C)DNA helicase
D)UvrA-UvrB trimer
4.

Nucleotide excision repair only repairs pyrimidine dimmers.
A)True
B)False
5.

In 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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