منابع مشابه
Nitrogen Metabolism in the Chick Embryo
To determine the nature of the food material burned by the developing chick embryo use has been made of two methods in the past. The validity of the information to be derived from one of them-the measurement of the respiratory quotient-we shall presently have occasion to examine. The second and more reliable method is based upon direct analysis of the egg contents at various stages of developme...
متن کاملEffect of Sendai virus infection on lipid metabolism in chick embryo fibroblasts.
Lipid metabolism in the "abortive" system, Sendai virus-infected primary chick embryo fibroblasts, was examined by using (32)P-orthophosphate, (14)C-glucose, and (14)C-glycerol as precursors. Incorporation of radioactivity from (32)P-orthophosphate and (14)C-glucose into lipid was increased in infected cells. Synthesis of all individual phospholipids was about equally stimulated. There was also...
متن کاملMetabolism of ovomucoid by the developing chick embryo.
A glycoprotein resembling ovomucoid was purified from chorioallantoic membranes of 12.5 day chick embryos by a sequential procedure involving zinc chloride precipitation, hydroxylapatite chromatography, and ion exchange chromatography on DEAEand CM-cellulose. The resulting preparation was homogeneous as indicated by polyacrylamide gel electrophoresis at 3 pH values, isoelectric focusing, ultrac...
متن کاملCleavage in the chick embryo.
Chick embryos ranging from the stage of first cleavage to that of about 700 cells were removed from the oviduct and examined by transmission electron microscopy. Beneath the cell membrane is yolk-free cortical region containing microfilaments. Beneath this lies cytoplasm which contains yolk spheres which are graded in size, the dorsal ones being smaller than the ventral ones. The subgerminal pe...
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ژورنال
عنوان ژورنال: Proceedings of the Nutrition Society
سال: 1986
ISSN: 0029-6651,1475-2719
DOI: 10.1079/pns19860030