THE NUCLEOLUS, A SOURCE OF RIBOSOMES.
D002247:Carbon Isotopes; D003585:Cell Biology; D002466:Cell Nucleolus; D002467:Cell Nucleus; D009698:Nucleoproteins; D012313:RNA; D012106:Research; D012270:Ribosomes
D002247:Carbon Isotopes; D009698:Nucleoproteins; D012313:RNA
CARBON ISOTOPES; CELL NUCLEUS; CYTOLOGY; EXPERIMENTAL LAB STUDY; NUCLEOPROTEINS; RNA