. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 212 ARTHUR D. HASLKR increase in acidity due to the liberation of fatty acids by the hydrolytic action of the lipase in the Daphnia extract and hog pancreas extract \va- recorded in terms of N/20 NaOH. The results are shown in Fig. 4. The experiments were duplicated and run with controls. The pre-ence of a lipase in the Daphiiia extract is clearly demonstrated. The mean acidity at the end of four hours was equivalent to cc. of \ Jo Xa( )Ii in the case of 1 per cent glycerol extract of DapJinia and for hog


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 212 ARTHUR D. HASLKR increase in acidity due to the liberation of fatty acids by the hydrolytic action of the lipase in the Daphnia extract and hog pancreas extract \va- recorded in terms of N/20 NaOH. The results are shown in Fig. 4. The experiments were duplicated and run with controls. The pre-ence of a lipase in the Daphiiia extract is clearly demonstrated. The mean acidity at the end of four hours was equivalent to cc. of \ Jo Xa( )Ii in the case of 1 per cent glycerol extract of DapJinia and for hog l-'n;. 4. Hydrolysis of triluilcrinr by lipase of hog pancreas (.•/), and of Daplmia (/•'». The ordinatc rrpn>rnts the mitnlirr of re. of N/20 NaOH: ;diM i^a is the time in liotn . 1 ) i --ION 'I he experiments >h\v the prcMMirr of a proteinase, aniylasc, and lipa-e \\hich ]iartially cninpli-ti1 the enzyme mechanism for handling proteins, carbohydrates, and fats available to Daphnia in its natural lialn'iat and under natural feeding conditions. These experiments show that the activities of the proteinase and amylase are such that consider- able di-e-timi is p»^ihle jn the 15-30 minutes that food is said to remain in the alimentary tract. From Fig. 1 it was computed that 88 per. 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