找考题网-背景图
单项选择题

A.RNA聚合酶核心酶-DNA-pppGpN'-OHB.RNA聚合酶核心酶-DNA-引物-pppGpN'-OH……

A1型题转录起始复合物指的是()

A.RNA聚合酶核心酶-DNA-pppGpN'-OH
B.RNA聚合酶核心酶-DNA-引物-pppGpN'-OH
C.RNA聚合酶全酶-DNA-引物-pppGpN'-OH
D.RNA聚合酶全酶-DNA-pppGpN'-OH
E.亚基-DNA-pppGpN'-OH