KEY TERMS

mutation

point mutation

transition mutation

transversion mutation

silent mutation

missense mutation

nonsense mutation

insertion mutation

deletion mutation

frameshift mutation

inversion mutation

translocation mutation

abasic site

depurination

Ames test

reversion mutation

pyrimidine dimer

cyclobutane ring

6-4 photoproduct

mismatch repair (MMR)

Dam methylase

photoreactivation

DNA photolyase

base excision repair (BER)

DNA glycosylase

AP endonuclease

nucleotide excision repair (NER)

excinuclease

transcription-coupled repair (TCR)

translesion synthesis (TLS)