The cell nucleus.
D002466:Cell Nucleolus / Q000378:metabolism; D002467:Cell Nucleus / Q000378:metabolism*; D005815:Genetic Code; D008967:Molecular Biology; D009243:NAD / Q000378:metabolism; D009713:Nucleotidyltransferases / Q000378:metabolism; D012313:RNA / Q000378:metabolism
D009243:NAD; D012313:RNA; D009713:Nucleotidyltransferases