is 14.41 KB, has a resolution of 1200x723 pixels and was uploaded on January 15, 2019 @ 10:44 pm by user: gretch. It is filed under the tags: black, aromatic amino acid, rectangle, triangle, phenylalanine hydroxylase. Click the blue button at the top to freely download: Camphor Phenylalanine Essential Amino Acid Tyrosine Shikimate Pathway png.