. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 4(>4 MICHAEL E. Q. PILSON enclosed in triangles appear to constitute a separate group. It seems that in this species there may he considerahle variation in the concentration of the non- heiiKH-\anin protein. No attempt was made to fit a regression line to these points. Another way to estimate the non-hemocyanin protein is to assume that all the copper in the plasma is hound in the hemocyanin and then to examine the relation- ship between the total nitrogen present and the amount of copper in the plasma. In Figure 3 the to
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 4(>4 MICHAEL E. Q. PILSON enclosed in triangles appear to constitute a separate group. It seems that in this species there may he considerahle variation in the concentration of the non- heiiKH-\anin protein. No attempt was made to fit a regression line to these points. Another way to estimate the non-hemocyanin protein is to assume that all the copper in the plasma is hound in the hemocyanin and then to examine the relation- ship between the total nitrogen present and the amount of copper in the plasma. In Figure 3 the total nitrogen in samples of plasma is plotted against the copper concentration. The regression line fitted to the points from //. jitlgcns has a y-intercept of This is probably the hest measure of the average amount of 500 : en E 400 llJ o 300 <r < 200 • 100. a: y= 01 02 03 04 ABSORBANCE, 560 mp 05 06 IK,i IK 2. Total organic nitrogen concentration in plasma from 4 species i Huhohs i'S. tlie absorbance at 560 m//. The plotted points for each succeeding species are displaced upward liv ICO units. non-hemocyanin nitrogen present. It should he noted, however, that some sam- ples of plasma had less than mg. total nitrogen per 100 ml. Similar values for //. cnrrtii/dld and for //. crachcrodn were and ml., re- spectively. The plotted data from //. nijcsccns again indicate that in this species the non-hemocyanin protein may he quite variable. I corrected for the non-protein nitrogen and used the conventional conversion factor of to calculate the following average amounts of non-hemocyanin protein present: //. juli/cus. 204; II. cornit/ata, 242; and //. crachcrodii. 135 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 Laborat
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
