Ultraviolet light and the mitotic cycle in the sea urchin's egg.
D000818:Animals; D002455:Cell Division / Q000528:radiation effects*; D004447:Echinodermata; D012617:Sea Urchins; D014466:Ultraviolet Rays
CELL DIVISION/effect of radiations on; ECHINODERMS; ULTRAVIOLET RAYS/effects