Exam questionKROK 1Medicine ยท 2013
An experiment proved that UV-irradiated skin cells of patients with xeroderma pigmentosum restore the native structure of DNA slower than the cells of healthy people due to the defect in repair enzyme. What enzyme takes part in this process?
Answer options
- DNA gyrase
- DNA polymerase
- RNA ligase
- Endonuclease
- Primase
Correct answer
Endonuclease
Explanation
Xeroderma pigmentosaum is a rare deficiency in endonuclease which usually repairs DNA after damage from UV light.
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