Formation of fertilization acid by sea urchin eggs does not require specific cations.
D000143:Acids / Q000378:metabolism*; D000818:Animals; D000001:Calcimycin / Q000494:pharmacology; D002118:Calcium / Q000378:metabolism / Q000494:pharmacology*; D004533:Egtazic Acid / Q000494:pharmacology; D005260:Female; D005306:Fertilization; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000494:pharmacology; D010063:Ovum / Q000187:drug effects / Q000378:metabolism*; D011188:Potassium / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D012617:Sea Urchins; D012965:Sodium Chloride / Q000494:pharmacology
D000143:Acids; D000001:Calcimycin; D012965:Sodium Chloride; D004533:Egtazic Acid; D011189:Potassium Chloride; D008274:Magnesium; D011188:Potassium; D002118:Calcium