→
Chromatin Structure
→
DNA Mutations
→
DNA Repair Mechanisms (Nucleotide Excision Repair, Base Excision Repair, Nonhomologous End Joining and Homologous Recombination)
→
DNA Replication
→
Lac Operon
→
Purine (De-Novo) and Pyrimidine Synthesis
→
Purine Salvage Deficiencies (Adenosine Deaminase Deficiency, Lesch-Nyhan Syndrome)
→
Purine Salvage Pathway