[biological_process] chromosome organization <sep> gene expression <sep> meiotic sister chromatid cohesion <sep> protein acetylation <sep> RNA polymerase II core complex assembly <sep> RNA polymerase II preinitiation complex assembly <sep> spindle assembly <sep> transcription by RNA polymerase II <sep> transcription initiation at RNA polymerase II promoter <sep> transcriptional start site selection at RNA polymerase II promoter <sep> viral transcription