. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 20 R. K. ZIMMER-FAUST en c. 0) 80 70 60 50 40 A. Panul irus Y = (r - ) SW -5 -4 -3 -2 en QJ n a c. Q. ro i—i OJ n u 7 6 B. Pleunoncodes. sw -5 -4 -3 -2 Ammonia added M) FIGURE 4. Effects of ammonia on 10~2 A/glycine-induced (A) feeding by Pamdirus, and (B) cheliped flexion (x ± SD) by Pleuroncodes. Responses are adequately modelled as power functions of ammonia concentration. No responses were observed to ammonia presented by itself at 10 5-10~2 M. SW: No am- monia added. considering the neurobiological sit
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 20 R. K. ZIMMER-FAUST en c. 0) 80 70 60 50 40 A. Panul irus Y = (r - ) SW -5 -4 -3 -2 en QJ n a c. Q. ro i—i OJ n u 7 6 B. Pleunoncodes. sw -5 -4 -3 -2 Ammonia added M) FIGURE 4. Effects of ammonia on 10~2 A/glycine-induced (A) feeding by Pamdirus, and (B) cheliped flexion (x ± SD) by Pleuroncodes. Responses are adequately modelled as power functions of ammonia concentration. No responses were observed to ammonia presented by itself at 10 5-10~2 M. SW: No am- monia added. considering the neurobiological sites of mixture interaction, , primary receptor or central nervous system. A mixture comprising >95% of the free amino acids in aba- lone muscle was highly stimulatory to Panulirus, but this activity was significantly reduced by the addition of ammonia. Previously, I found a low molecular weight fraction of abalone muscle (<1000 daltons) to be without stimulatory effect to lob- sters (Zimmer-Faust et al, 1984a). Experiments later demonstrated that this results from the presence of chemical suppressants, of which ammonia predominates, and not from a lack of stimulatory agents (Zimmer-Faust et al., 1984b). I interpret results from amino acid and ammonia assays in the following way. Amino acids alone probably trigger attack behavior and intensify within-patch search. Both claw and leg probing were evoked in response to amino acids, and these behaviors are essential to acquiring food in the near-field environment. The amino. 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. Woo
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
