Biologically active messenger-RNA for hemoglobin.

Amino Acids/metabolism Animals Carbon Isotopes Cell Fractionation Cell-Free System Centrifugation, Density Gradient Chromatography, Ion Exchange Chromatography, Paper Ducks Electrophoresis, Disc Genetic Code Globins/biosynthesis Guinea Pigs Hemoglobins/biosynthesis Mice Peptide Biosynthesis Peptides/analysis RNA, Messenger/analysis,isolation & purification Rabbits Reticulocytes Ribosomes/metabolism Sodium Dodecyl Sulfate Sucrose Tritium

Amino Acids Carbon Isotopes Hemoglobins Peptides RNA, Messenger Tritium Sodium Dodecyl Sulfate Sucrose Globins