【单选题】 转录起始复合物指的是【】
ARNA聚合酶核心酶-DNA-pppGpN'-OH
BRNA聚合酶核心酶-DNA-引物-pppGpN'-OH
CRNA聚合酶全酶-DNA-引物-pppGpN'-OH
DRNA聚合酶全酶-DNA-pppGpN'-OH
E亚基-DNA-pppGpN'-OH
【单选题】 转录起始复合物指的是【】
ARNA聚合酶核心酶-DNA-pppGpN'-OH
BRNA聚合酶核心酶-DNA-引物-pppGpN'-OH
CRNA聚合酶全酶-DNA-引物-pppGpN'-OH
DRNA聚合酶全酶-DNA-pppGpN'-OH
E亚基-DNA-pppGpN'-OH