#classification of hormones

[er-cryptid]

Classification of Hormones

-- hormones can be chemically classified into four groups

Amino Acid Derived -- made from modified amino acids

Polypeptide and Protein Hormones -- chains of amino acids -- normally about 100 amino acids long -- some are glycoproteins -- glycoproteins contain glucose or other carbohydrate groups

Steroid Hormones -- lipids synthesized from cholesterol -- characterized by four interlocking carbohydrate rings

Eicosanoids -- lipids synthesized from fatty acid chains of phospholipids -- fatty acid chains of phospholipids are found in the plasma membrane

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