three types of ribosomal preparations from xenopus laevis eggs and embryos were tested in a cell-free system to study possible translational regulation of protein synthesis as mediated by the ribosome during early amphibian development : type 1 , a crude high-speed sediment , mainly containing monoribosomes completely dissociable by 0.5 m kc1 ;
C1519614
translational
C0035553
ribosome