title: NH3-treatment of unfertilized sea urchin eggs turns on the Ca2+-ATPase cycle.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000641:Ammonia / Q000494:pharmacology*; D000818:Animals; D005260:Female; D005306:Fertilization; D007700:Kinetics; D008938:Mitosis; D009940:Organoids / Q000648:ultrastructure; D010063:Ovum / Q000201:enzymology* / Q000648:ultrastructure; D012617:Sea Urchins; D015053:Zygote / Q000201:enzymology / Q000648:ultrastructure
chemical_list: D000641:Ammonia; D000251:Adenosine Triphosphatases