ARN polym�erases Biochemistry Cellules eucaryotes DNA-Directed RNA Polymerases Eiwitten Eukaryoten Eukaryotic Cells Eukaryotic cells Facteurs de transcription Gene Expression Regulation Genetic regulation Genetic transcription Histonen Histones Life Sciences Liganden Mediatoren R�egulation R�egulation g�en�etique RNA polymerases RNA-polymerasen Regulation SCIENCE Transcriptie (biochemie) Transcription Factors Transcription factors Transcription g�en�etique Transcription, Genetic