. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 12 24 30 Time after feeding radioactive brine shrimp (hours) 0 12 24 30 Time after feeding radioactive brine shrimp (hours) FIGURE 5. Tritiated orotic acid uptake and incorporation into RNA of animal and algal fractions from light-grown (left) and dark-grown (right) hydras. Each point is mean from four independent experiments, each using 60 hydras. membranes of the symbionts, but protein precursors, nucleotide triphosphates, and ribonucleic acid precursors are also translocated as such. Labeled amino acid as- similated rea
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 12 24 30 Time after feeding radioactive brine shrimp (hours) 0 12 24 30 Time after feeding radioactive brine shrimp (hours) FIGURE 5. Tritiated orotic acid uptake and incorporation into RNA of animal and algal fractions from light-grown (left) and dark-grown (right) hydras. Each point is mean from four independent experiments, each using 60 hydras. membranes of the symbionts, but protein precursors, nucleotide triphosphates, and ribonucleic acid precursors are also translocated as such. Labeled amino acid as- similated readily into algal and hydra proteins. It was also found in small molecules, such as amino acids, monosaccharides, oligosaccharides, and oligonucleotides. In hydras grown under constant light, there was little fluctuation in the small-molecule fraction, which incorporated most (about 52%) of the label. However, in dark- grown hydras, there was a correlation between the amount of label in the TCA- alcohol and soluble insoluble fractions. Amino acid incorporation into algae protein occurred, but with time hydrolysis of protein occurred as well. That is, the decrease TOTAL Cpm 350r • 100 50 0, ALGAL FRACTION, LIGHT GROWN HYDRAS. ALGAL FRACTION, DARK GROWN HYDRAS. 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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