bio notes5

bio notes5 - homones soluable in lipids steroids...

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homones soluable in lipids steroids intracellular receptors cycling between the cytoplasmic and nuclear compartments activated receptor in the nucleus activates specific genes by binding to DNA ligands for steroid receptors steroid homrones thyroid hormones vitamin D retinoic acid effects of steroids produced by steroids increasing protein synthesis slow in onset due to this testes produce androgens eg. testosterone support sperm formation; male secondary sex characteristics ovaries produce estrogen stimulate uterine lining growth development/maintenance of female secondary sex characteristics stress/steroid hormones increased production of epinephrine and norepinepherine adrenal medulla increased production of mineralo- and gluco- corticoids (steroids) adrenal cortex short term stress response glycogen broken down, blood glucose increased increased blood pressure increased breathing rate increased metabolic rate change in blood flow decreasing digestive and kidney activity long term stress effects
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bio notes5 - homones soluable in lipids steroids...

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