. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 182 J. VAVRA AND D. T. MANAHAN I l-g 100 H O <U i tr o a O) O. O 02468 Age (days) Figure 5. Absolute rales of protein synthesis during larval develop- ment of Hiilintix riifesccns. Each data point represents a rate of protein synthesis determined from the slope of a separate time-course experiment, based on multiple samples (as in Fig. 2). The decrease in protein synthesis with development was fitted to a second-order polynomial: ng protein synthesized larva"1 day"' = — .v + , where v = a
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 182 J. VAVRA AND D. T. MANAHAN I l-g 100 H O <U i tr o a O) O. O 02468 Age (days) Figure 5. Absolute rales of protein synthesis during larval develop- ment of Hiilintix riifesccns. Each data point represents a rate of protein synthesis determined from the slope of a separate time-course experiment, based on multiple samples (as in Fig. 2). The decrease in protein synthesis with development was fitted to a second-order polynomial: ng protein synthesized larva"1 day"' = — .v + , where v = age in days. glycine in the proteins of 2- to 8-day-old larvae was (± SEM), and this value was used for all calculations of protein synthesis rates. The mole-percent corrected molec- ular weight of amino acids in larval protein ranged from to g amino acid mol~', with a mean value of (± SEM) used for all calculations (Table I). Rates of protein synthesis Rates of protein synthesis decreased during development, from 193 to 49 ng protein synthesized larva" ' day"1 (cal- culated from analysis given in Table II of data shown in Fig. 5). The decrease was nonlinear and was best described by a second-order polynomial (nanograms of protein synthesized per larva = x2 — .v + where ,v = age in days). The fractional rate of protein synthesis, expressed as the percentage of total whole-body protein synthesized per day. also showed a steady decline through larval develop- ment and decreased from 40% (1-day-old) to 14% (7-day- old) (Table II: comparison of total protein content per larva and absolute rate of protein synthesis). Age (days) Age (days) 12357 Std. kDa 1 2 3 5 7. 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 Hol
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
