Partial sequence analysis of ribosomal RNA from HeLa cells. II. Evidence for sequences of non-ribosmal type in 45 and 32 s ribosomal RNA precursors.

Adenosine Triphosphate Cell Nucleolus/analysis Cytosine Nucleotides Guanine Nucleotides HeLa Cells Nucleic Acid Denaturation Nucleotides/analysis Phosphorus Isotopes RNA/analysis,biosynthesis Ribonucleases Ribosomes Tritium Ultracentrifugation Uracil Nucleotides

Cytosine Nucleotides Guanine Nucleotides Nucleotides Phosphorus Isotopes Uracil Nucleotides Tritium RNA Adenosine Triphosphate Ribonucleases