原核生物和真核生物核糖体上都有:(5.0) A: 18S rRNA B: 5S rRNA C: 5.8S rRNA D: 30S rRNA E: 28S Rrnas

Eukaryotic RNA polymerase I (Pol I) is responsible for the synthesis of only one type of RNA, a transcript called preribosomal RNA (or pre-rRNA), which contains the precursor for the ___________________ rRNAs. A: 18S B: 5.8S C: 28S D: 38S