Unformatted text preview: - They are made in tissues all over the body. - They constitute the great majority of hormones. B.1.1. Synthesis of peptide hormones (Figs. 7-3, 7-4):- Their synthesis does not differ from that of other proteins. a) Peptide hormones are synthesized as preprohormone in the rough endoplasmic reticulum of parent endocrine cell. Definition of preprohormone:- A preprohormone is a sequence of amino acids that contains 3 different elements: 1. A signal sequence, 2. One or more copies of a peptide hormone, 3. Other peptide sequences that may or may not have biological activities....
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- Fall '09
- peptide hormones, B.1. PEPTIDE HORMONES