. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 208 S. ZIGMAN. FIGURE 17. High performance liquid chromatography of the water-soluble proteins in the epithelium and five concentric layers of the lens of a squirrel. Note loss of heavy and increase in lighter proteins going from the outer to the inner portion of the lens. oxygenase enzyme (Van Heyningen, 1973). While in the human, this type of low molecular weight water-soluble lens pigment diminishes with maturation and aging, it appears to increase in concentration as the squirrel matures. In the squirrel lens, the balanc
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 208 S. ZIGMAN. FIGURE 17. High performance liquid chromatography of the water-soluble proteins in the epithelium and five concentric layers of the lens of a squirrel. Note loss of heavy and increase in lighter proteins going from the outer to the inner portion of the lens. oxygenase enzyme (Van Heyningen, 1973). While in the human, this type of low molecular weight water-soluble lens pigment diminishes with maturation and aging, it appears to increase in concentration as the squirrel matures. In the squirrel lens, the balance of oxidation-reduction of this pigment appears to be maintained with maturation, while in the human lens there is a buildup of new tryptophan oxidation TABLE II Distribution of ATPase activity in bovine lens ATPase of: Total ATPase Mg++-ATPase Na+K+- ATPase Bovine Micromoles per mg per hour Lens epithelium Lens cortex Lens nucleus 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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