File:BIOL 111 Figure 16.18.png
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Nucleotide excision repair of DNA damage.
A team of enzymes detects and repairs damaged DNA. This figure shows DNA containing a thymine dimer, a type of damage often caused by ultraviolet radiation. A nuclease enzyme cuts out the damaged region of DNA, and a DNA polymerase (in bacteria, DNA pol I) replaces it with nucleotides complementary to the undamaged strand. DNA ligase completes the process by closing the remaining break in the sugar-phosphate backbone.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:37, 9 November 2010 | | 670 × 1,052 (419 KB) | Matthew (talk | contribs) | Category:BIOL 111-528 == Nucleotide excision repair of DNA damage. == A team of enzymes detects and repairs damaged DNA. This figure shows DNA containing a thymine dimer, a type of damage often caused by ultraviolet radiation. A nuclease enzyme cuts o |
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