The effect of actinomycin D on RNA metabolism in human cells.

Terms to be familiar with before you start to solve the test: pre-mRNA (hnRNA); 45 S pre-rRNA; 28 S and 18 S rRNA; pulse-chase labeling; [(3) H]uridine; RNA isolation; separation methods; centrifugation methods; chromatography methods; tRNA; 5 S rRNA; RNA synthesis; RNA processing; RNA transport; polyadenylation. (1) The abbreviations used are: hnRNA, heterogeneous nuclear RNA; MCQ, multiple-choice questions.