Purification of eukaryotic ribosomes by isopycnic centrifugation in sucrose.
D000818:Animals; D002458:Cell Fractionation / Q000379:methods; D002499:Centrifugation, Density Gradient / Q000379:methods; D033364:Decapoda; D004625:Embryo, Nonmammalian; D011132:Polyribosomes / Q000648:ultrastructure; D012270:Ribosomes / Q000648:ultrastructure*