DNA can be damaged in a number of ways (see How can DNA become damaged in the cell? for more information— and the damage must be corrected for the cell to function correctly.
There are seven ways cells can repair damage to their DNA:
- Base Excision Repair (BER)
- Direct repair
- DNA proofreading
- Homologous recombination repair (HR)
- Mismatch Repair (MMR)
- Non-homologous end joining (NHEJ)
- Nucleotide Excision Repair (NER)
And in this video, I look at the seven methods.
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