Steroids are composed of fatty acids linked to alcohol-sterol-monohidroksil citric. Are its constituent material for the cell, also entered its structural building, but if we encounter at large, are as protective material in action: the poison, or as active material or as biocatalysts.
The most common steroid in animal cells is cholesterol, which participates in the construction of the cell membrane.
Steroids are aromatic hydrocarbons consisting of three fused rings of six carbon atoms (heksonbenzeni), two of these rings lie in an adjacent level and above.
Various steroids are characterized by their ring structures. These are chains of carbon and various functional groups, ranging from C 21 steroid cortisol, C 19 steroid testosterone, estradiol, etc. C13 steroid.
Steroids are the main ingredients of sexual honnoneve (as above), cholesterol, vitamin D, bile acids and corticosteroids.
Sterol Kolestoroli is distributed throughout the cell and animal tissue in vcrdhën of dew., Various oils, fat, meat, cheese. Cholesterol is widespread in the body, most tcpënni in nerve tissue, as in the brain., Spinal cord and nerves.
