DNA Repair Mechanisms
DNA repair demonstrates how multiple overlapping quality control mechanisms catch errors that slip through individual checkpoints.
Cells maintain extraordinary reliability through redundant DNA repair mechanisms - multiple, partially overlapping pathways that detect and correct different types of damage: Base excision repair (BER) fixes small base modifications; Nucleotide excision repair (NER) removes bulky DNA lesions; Mismatch repair (MMR) corrects base-pairing errors; Double-strand break repair fixes breaks through homologous recombination or non-homologous end joining. Different pathways address different damage types while overlapping to provide backup.
Business Application of DNA Repair Mechanisms
DNA repair demonstrates how multiple overlapping quality control mechanisms catch errors that slip through individual checkpoints. Organizations can implement analogous layered review processes where different approaches catch different error types.