The following are examples of the activities of some DNA repair mechanisms. Sort the examples into the appropriate category. (Note: 8-oxoG is a damaged G base.)
Direct repair, Nucleotide excision repair, OR Methyl-directed mismatch repair.
- removal of an alkyl group from a G
- removal of a damaged A base
- recognition of a TT dimer
- removal of 8-oxoG
G-T base pair shortly after replication