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Much of the existing research on disordered eating has centered on the drive for thinness, which is most commonly observed in girls and women. The male standard of bodily attractiveness, however, is bigger, bulkier, and more muscular. Are boys and men motivated to be big and muscular in the same way that girls and women are motivated to be thin? The authors(More)
Periportal and perivenous hepatocytes contain different activities (V) of antagonistic key enzymes such as glucokinase and glucose-6-phosphatase. In order to get an insight into the metabolism of the periportal and perivenous area the flux rates (v) of the glucose/glucose-6-phosphate cycle were calculated on the basis of the Michaelis-Menten equation using(More)
During the first 72 h after 67% partial hepatectomy of female Wistar rats (160 g) the specific activities [mumol X min-1 X (g liver)-1] of the glucogenic glucose-6-phosphatase and fructose-bisphosphatase and of the glycolytic hexokinase and 6-phosphofructokinase remained essentially constant. However, the activity of the glycolytic pyruvate kinase (L- plus(More)
In adult male and female rat liver, the activity of NAD(+)-and NADP(+)-dependent glutamate dehydrogenase (GDH) was microquantitatively measured in tissue samples of 50-150 ng, microdissected continuously along the sinusoidal length. Total activity of GDH with NAD+ as co-factor was found to be higher by a ratio of about 1:2.3 than with NADP+. All(More)
At present soluble NADP-dependent dehydrogenases are histochemically demonstrated in three different ways: according to the standard method incubation in aqueous media leads to the precipitation of formazan, the formation of which depends entirely on the presence of endogeneous NADPH2-tetrazolium reductases. With the two more recently established methods(More)
Using histochemical techniques the glycogen content and the activities of glycogen synthetase (UDPGGT) and phosphorylase were studied in the livers of 106 golden hamsters under following experimental conditions; a) starvation of 16, 36, 48, 72, and 96 hours: b) alloxan-diabetes. Starvation leads to a depletion of liver glycogen during the first 48 hours,(More)