. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 370 JAMES S. McDANIEL TABLE I Relationship of enzyme concentration, pH, and temperature to excystment in pepsin Pepsin concentration pH Temperature (°C.) No. of cysts No. excysted in 90 min. % Saturated 1 22-26 37 50 50 8 23 16 46 1% 1 22-26 37 13 13 1 3 8 23 1% 2 22-26 37 83 83 4 8 5 10 1% 3 22-26 37 63 458 0 11 0 2 1% 4 22-26 37 13 13 0 0 0 0 100 o» "to o X 60 20. 15 45 Minutes FIGURE 1. Excystment without gastric pretreatment. Conditions: pH 7 at 37° C. A—A 1% trypsin plus gull bile (dil. 1:9), D—D 1% trypsin plus 0.

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. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 370 JAMES S. McDANIEL TABLE I Relationship of enzyme concentration, pH, and temperature to excystment in pepsin Pepsin concentration pH Temperature (°C.) No. of cysts No. excysted in 90 min. % Saturated 1 22-26 37 50 50 8 23 16 46 1% 1 22-26 37 13 13 1 3 8 23 1% 2 22-26 37 83 83 4 8 5 10 1% 3 22-26 37 63 458 0 11 0 2 1% 4 22-26 37 13 13 0 0 0 0 100 o» "to o X 60 20. 15 45 Minutes FIGURE 1. Excystment without gastric pretreatment. Conditions: pH 7 at 37° C. A—A 1% trypsin plus gull bile (dil. 1:9), D—D 1% trypsin plus sodium taurocholate (NaT), O—O 1% trypsin plus NaT and M cysteine, • —• gull intestinal juice (dil. 1:4).. 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

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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology