[Cytoplasmic precursors of polyribosomes].
D000818:Animals; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm / Q000378:metabolism*; D003609:Dactinomycin / Q000494:pharmacology; D008297:Male; D009963:Orotic Acid; D012333:RNA, Messenger / Q000378:metabolism*; D051381:Rats; D012270:Ribosomes / Q000378:metabolism*
D002247:Carbon Isotopes; D012333:RNA, Messenger; D003609:Dactinomycin; D009963:Orotic Acid
Tsitoplazmaticheskie predshestvenniki poliribosom.