Nurturing Life Sciences
#Id: 8183
#Id: 3207
#Unit 3. Fundamental Processes
#Id: 3215
Ultraviolet irradiation causes dimer formation between adjacent thymines. The dimer blocks replication and transcription.
#Id: 3217
The Uvr system makes incisions -12 bases apart on both sides of damaged DNA, removes the DNA between them, and resynthesizes new DNA.
#Id: 3219
Transcribed genes are preferentially repaired when DNA damage occurs.
#Id: 3222
#Id: 3224
Xeroderma pigmentosum (XP) is a human disease caused by mutations in any one of several nucleotide excision repair genes.