. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 10 20 30 Temperature (°C) FIGURE I. Effect of temperature on fertilization of sea urchin eggs. Eggs were inseminated by sperm and the number of eggs that formed a fertilization membrane was calculated. More than 100 eggs were observed. Values represent the mean of three separate experiments. (•): Anthocidaris crassispina, (O): Hemicentrotus pulcherrimus. than at 20°C. ATP in sea urchin sperm is produced by phospholipid metabolism (Mohri, 1957; Mita and Yasumasu, 1983) and is consumed by their movement (Gibbons and Gibbons,
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 10 20 30 Temperature (°C) FIGURE I. Effect of temperature on fertilization of sea urchin eggs. Eggs were inseminated by sperm and the number of eggs that formed a fertilization membrane was calculated. More than 100 eggs were observed. Values represent the mean of three separate experiments. (•): Anthocidaris crassispina, (O): Hemicentrotus pulcherrimus. than at 20°C. ATP in sea urchin sperm is produced by phospholipid metabolism (Mohri, 1957; Mita and Yasumasu, 1983) and is consumed by their movement (Gibbons and Gibbons, 1972). Respiration is indispensable for the phospholipid me- 12 10 2 a a ° u> ~5 e E 6 c. 0 5 10 15 20 Time After Dilution (min) FIGURE 2. Change in the level of ATP after dilution of the dry sperm of the sea urchin, Anthocidaris crassispina. Dry sperm were diluted 100 fold in artificial sea water at 0°C (O) and 20°C (•). Values represent the mean of three separate experiments. Vertical bars show Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
Size: 878px × 2845px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
