. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 246 BARBARA B. NORTH AND GROVER C. STEPHENS The low nitrogen cells (, cells grown on 2 X 10"4 g-at N/literj contained less cell nitrogen and acquired animo acids from solution more rapidly than high nitrogen cells (grown on 2 X 10"3 g-at N/liter). Stimulation also ap-. 2- 20 25 V/S FIGURE 2. The relation between glycinc uptake rates and glycine concentration for cells grown on 2 X 1(T3 and 2 X 10~4 M NO3. The plot is a linear transformation of the Michaelis- Menten equation: V -K,(V/S) + Vm^; abscissa: V/S wher
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 246 BARBARA B. NORTH AND GROVER C. STEPHENS The low nitrogen cells (, cells grown on 2 X 10"4 g-at N/literj contained less cell nitrogen and acquired animo acids from solution more rapidly than high nitrogen cells (grown on 2 X 10"3 g-at N/liter). Stimulation also ap-. 2- 20 25 V/S FIGURE 2. The relation between glycinc uptake rates and glycine concentration for cells grown on 2 X 1(T3 and 2 X 10~4 M NO3. The plot is a linear transformation of the Michaelis- Menten equation: V -K,(V/S) + Vm^; abscissa: V/S where V — moles glycine X 108/hr/108 cells and S = moles glycine X 10T/liter; ordinate : V = moles glycine X 108/hr/10s cells. The solid lines were determined by a least squares analysis. The dotted line encloses the 95% confidence band. peared to be independent of the form in which the nitrogen was supplied during growth. Four different nitrogen sources were employed (nitrate, arginine, gluta- mate, and glycine) each at high and low concentrations. Division rates in log phase were comparable on all substrates and at both nitrogen 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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