9. 1Introduction Template strand Coding strand ATGCGCCATGCCAGITACGTACATGGA TACGCGGTACGGTCAATGCATCTACCT RNA sequence is TRANSCRIPTION eg valent to coding strand strand complementary to template UACGC GGUACGGUCAAUGCAUCUACCU RNA transcript Figure 9. 1 The function of rNa polymerase is to copy one strand 闭祥之0 f duplex DNa intoFigure 9.1 The function of RNA polymerase is to copy one strand of duplex DNA into RNA. 9.1 Introduction