The chemical composition of earthworm cuticle
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چکیده
منابع مشابه
The chemical composition of earthworm cuticle.
Forssberg, A. & Klein, G. (1954). Exp. Cell Res. 7, 480. Goucher, C. R., Kamei, I. & Kocholaty, W. (1956). Arch. Biochem. Biophys. 65, 522. Gray, L. H., Conger, A. D., Ebert, M., Hornsey, S. & Scott, 0. C. A. (1953). Brit. J. Radiol. N.S. 26, 638. Harrington, H. & Lavik, P. S. (1957). Cancer Res. 17, 38. Holmes, B. E. (1949). Brit. J. Radiol. N.S. 22, 487. Howard, A. & Pelc, S. R. (1951). Exp. ...
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Earthworms have a thin layer of cuticle which covers the whole body and serves as a general protective function. This cuticle has the characteristic wide angle x-ray diffraction pattern of collagen (1, 2) and has an amino acid composition characteristic of collagen (3). Much of the dry weight of this cuticle can be extracted by neutral salt or weak acid and purified as a collagen (4, 5). Earthw...
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When soluble earthworm cuticle collagen molecules are subjected to the shearing forces of a flow birefringence instrument, they are broken into particles approximately half the original size. The broken particles resemble vertebrate tropocollagen molecules in their hydrodynamic properties, in levorotatory powers, and in their appearance in the electron microscope. Most significantly, the broken...
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15 صفحه اولThe outermost cuticle of soybean seeds: chemical composition and function during imbibition.
Seeds of different cultivars of Glycine max (L.) Merr. (soybean) have strikingly different rates of water imbibition. Seeds that readily imbibe water are termed 'soft', while those that remain non-permeable, even after several days in water, are referred to as 'hard', 'stone', or 'impermeable' seeds. What prevents soybean hard seeds from taking up water? Previous work established that the initi...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1958
ISSN: 0306-3283
DOI: 10.1042/bj0680416