Concept
Version 6
Created by Boundless
Lipid-Derived, Amino Acid-Derived, and Peptide Hormones
Amino acid-derived hormones
(a) The hormone epinephrine, which triggers the fight-or-flight response, is derived from the amino acid tyrosine. (b) The hormone melatonin, which regulates circadian rhythms, is derived from the amino acid tryptophan.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Types of Hormones. October 17, 2013."
http://cnx.org/content/m44766/latest/Figure_37_01_02ab.jpg
OpenStax CNX
CC BY 3.0.