FORMATION OF ACTIVE RIBOSOMAL AGGREGATES (POLYSOMES) UPON  FERTILIZATON AND DEVELOPMENT OF SEA URCHIN EGGS.
D000818:Animals; D002247:Carbon Isotopes; D004447:Echinodermata; D005306:Fertilization; D009698:Nucleoproteins; D011132:Polyribosomes; D011506:Proteins / Q000378:metabolism*; D012106:Research; D012617:Sea Urchins; D014466:Ultraviolet Rays; D014633:Valine
D002247:Carbon Isotopes; D009698:Nucleoproteins; D011506:Proteins; D014633:Valine
CARBON ISOTOPES; ECHINODERMATA; EXPERIMENTAL LAB STUDY; FERTILIZATION; NUCLEOPROTEINS; PROTEIN METABOLISM; ULTRAVIOLET RAYS; VALINE