LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Testosterone. Molecular model of the steroid hormone testosterone (C19.H28.O2). Found in most vertebrates, it plays a key role in the development of male reproductive tissues including organs such as the testes and prostrate. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration.
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