The action of urea on some proteins of the unfertilized and fertilized sea urchin egg.
D000818:Animals; D004447:Echinodermata; D005306:Fertilization; D010063:Ovum; D011506:Proteins / Q000378:metabolism*; D012617:Sea Urchins; D014508:Urea
D011506:Proteins; D014508:Urea
ECHINODERMS; FERTILIZATION; OVUM; PROTEINS/metabolism