DNA Replication and Repair
Problem : How does the 3' to 5' proof-reading exonuclease work?
Problem : Where does the exonuclease cut the daughter strand to remove an improperly paired base?
Problem : What are the three main sources of DNA damage?
Problem : Thymine dimer mutations are corrected by what DNA repair system?
Problem : In the mismatch repair system, how does the exonuclease distinguish which base is the correct one?