LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Ecdysterone. Molecular model of the steroidal insect moulting-hormone ecdysterone (C27.H44.O7). This chemical, also known as 20-hydroxyecdysone (20E), controls the ecdysis (moulting) and metamorphosis of arthropods. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration.
Model release not required. Property release not required.