上帝充通大学 Shanghai Jiao Tong University Overview of Transcription Only one of the two strands of DNA are transcribed by RNA polymerase for any gene Genes are present on both strands of DNA,but at different locations RNA polymerase has five different subunits RNA polymerase recognizes DNA sites called promoters No.6 Chen Feng.Shanghai Jiao Tong UniversityNo. 6 Chen Feng, Shanghai Jiao Tong University Only one of the two strands of DNA are transcribed by RNA polymerase for any gene Genes are present on both strands of DNA, but at different locations RNA polymerase has five different subunits RNA polymerase recognizes DNA sites called promoters Overview of Transcription