Arrangement of the 5-8 S RNA cistrons in the genome of Xenopus laevis.

Animals Base Sequence Carbon Radioisotopes Centrifugation, Density Gradient DNA/analysis DNA, Single-Stranded Densitometry Genetic Code Genotype Kinetics Molecular Weight Nucleic Acid Denaturation Nucleic Acid Hybridization RNA/biosynthesis Ribosomes Tritium Xenopus

Carbon Radioisotopes DNA, Single-Stranded Tritium RNA DNA