. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 52 F. M. FJSHER, JR., AND C. P. READ drop in the entry kinetics between and Determination of the pH in various segments of the spiral intestine of Miistclus revealed that there is a pH gradient. In the region of the first spiral, the pH is about 6 and rises to a pH of about 8 in the ninth spiral. These data are shown in Figure 4 and the observed distribution of Calliobothrium strobilae in the spiral intestine is shown. J_ s FIGURE 5. Lineweaver-Burke plots of 14C-glucose absorption in 2-min incubations without inhib
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 52 F. M. FJSHER, JR., AND C. P. READ drop in the entry kinetics between and Determination of the pH in various segments of the spiral intestine of Miistclus revealed that there is a pH gradient. In the region of the first spiral, the pH is about 6 and rises to a pH of about 8 in the ninth spiral. These data are shown in Figure 4 and the observed distribution of Calliobothrium strobilae in the spiral intestine is shown. J_ s FIGURE 5. Lineweaver-Burke plots of 14C-glucose absorption in 2-min incubations without inhibitor (a) or with mM phloretin (b) or mM phlorizin (d). Samples of curve c were incubated for 60 minutes in mM phlorizin, rinsed, and incubated for 2 min with 14C-glucose. Each point is average of two samples. Abbreviations are: V = /orioles per gram per hour; S = mM uC-glucose. for comparative purposes. The worm appears to inhabit those segments of the spiral intestine having a pH range which is highly favorable for the absorption of glucose by the parasite. It would be of interest to examine the effect of pH on the absorption of glucose by free segments of Calliobothrium, since these are normally found in the first two spirals where the pH is relatively low. Attempts to make such determinations have proven to be technically 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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