title: Change in sedimentation profile of protein synthesizing particles observed after protein synthesis.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D066298:In Vitro Techniques; D007930:Leucine / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D014176:Protein Biosynthesis; D012313:RNA / Q000494:pharmacology; D051381:Rats
chemical_list: D012313:RNA; D007930:Leucine