LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Vitamin K1. Molecular model of phylloquinone (C31.H46.O2), also known as vitamin K1 and phytonadione. This vitamin acts as a cofactor in the formation of coagulation factors by the liver. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration.
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