title: Cytology and nucleic acid synthesis of parthenogenetically activated sea urchin eggs.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002247:Carbon Isotopes; D002467:Cell Nucleus / Q000032:analysis; D002875:Chromosomes; D003593:Cytoplasm; D004247:DNA / Q000032:analysis / Q000096:biosynthesis*; D004261:DNA Replication; D004171:Diploidy; D005260:Female; D005306:Fertilization; D006238:Haploidy; D007814:Larva / Q000166:cytology; D008857:Microscopy, Interference; D008938:Mitosis; D010063:Ovum / Q000166:cytology / Q000378:metabolism*; D010312:Parthenogenesis; D011123:Polyploidy; D012313:RNA / Q000096:biosynthesis*; D012617:Sea Urchins / Q000196:embryology*; D013053:Spectrophotometry; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D012313:RNA; D004247:DNA; D013936:Thymidine; D014529:Uridine