chemical categories of hormones
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Created by:
silvanajaffe on January 25, 2010
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6 terms
Terms | Definitions |
|---|---|
 lipid soluble | non polar, hydrophobic. require transport protein to circulate in bodily fluids. steroids, fatty acids, biogenic amines |
| steroids | derived from cholesterol, sex hormones, some adrenal hormones |
| fatty acids | prostaglandins |
| biogenic amines | modified aminoacids. proteins |
| lipid soluble description | no membrane receptor in target cell, hormone diffusses across membrane. binds to internal receptor inside target cell. often located in nucleus. regulates genetic expression. |
| Water soluble | Polar, hydrophilic. Biogenic amines or proteins, circulate easily in body fluids, require membrane receptor in target cell, when hormone binds to receptor can open close ion channel and change cell metabolism via 2nd messenger |
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