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Sprague-Dawley rats were used to investigate variations in measures of gluthathione oxidase (GSH-Px) and selenium (Se) immersion resultant from cyclical cycles and sex. Mature rats (equal number of males and females) were killed at 4 h intervals all over a 48 h period (0200, 0600, 1000, 18 h from each one day). Selenium and GSH-Px were measured in plasma, erythrocytes, and human and excretory organ cytosols.


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Intermale Competition in Sexually Mature Arctic Charr: Effects on Brain Monoamines,


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) males were allowed to interact in pairs for 4 days in the absence of females. Agonistic behavior was quantified, and at the end of the experiment, plasma levels of glucose, cortisol, androgenic hormone (T), 11-ketotestosterone (11-KT), and 17α,20β-dihydroxy-4-pregnen-3-one (17α,20β-P) were determined aboard brain concentrations of serotonin (5-HT), 5-hydroxyindoleacetic vitriolic (5-HIAA, the leading 5-HT metabolite), dopamine (DA), and 3,4-dihydroxyphenylacetic chemical compound (DOPAC, a major DA metabolite). state cortef and glucose were significantly overhead in buck fish, and the number of aggressive acts standard showed positive correlations with state of matter levels of glucose on day 1, during the utilisation of the control relationship, and of adrenal cortical steroid on day 4, when the ascendence relation was established.

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Sex expression, skewed sex ratios, and microhabitat distribution in the dioecious desert moss Syntrichia caninervis (Pottiaceae)

A greater relative frequency of sex countenance was connected with mirky microsites, advanced soil moisture content, and taller ramets. Shaded microsites had higher layer land moisture levels than exposed microsites. In the uncovered microhabitat, earth's surface soil wet was positively correlate with ramet height but not with sex expression.
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