Accumulation of newly synthesized RNA templates in a unique class of polyribosomes during embryogenesis.
D000818:Animals; D002454:Cell Differentiation; D002499:Centrifugation, Density Gradient; D003609:Dactinomycin / Q000494:pharmacology; D004447:Echinodermata / Q000196:embryology*; D005260:Female; D005306:Fertilization; D014176:Protein Biosynthesis; D012313:RNA / Q000378:metabolism*; D012270:Ribosomes / Q000378:metabolism*; D013053:Spectrophotometry; D013698:Templates, Genetic
D003609:Dactinomycin; D012313:RNA