title: Fertilization acid of sea urchin eggs: evidence that it is H+, not CO2.
mesh_terms: D000143:Acids / Q000378:metabolism*; D000818:Animals; D001639:Bicarbonates / Q000378:metabolism; D002245:Carbon Dioxide / Q000378:metabolism; D005260:Female; D005306:Fertilization; D006863:Hydrogen-Ion Concentration; D008297:Male; D010063:Ovum / Q000378:metabolism*; D012623:Seawater
chemical_list: D000143:Acids; D001639:Bicarbonates; D002245:Carbon Dioxide