CAROL & MIKE WERNER / VISUALS UNLIMITED, INC. / SCIENCE PHOTO LIBRARY CAROL & MIKE WERNER / VISUALS UNLIMITED, INC. / SCIENCE PHOTO LIBRARY
Guanosine triphosphate (GTP) molecular model. GTP is a source of energy for protein synthesis and gluconeogenesis and is also essential to signal transduction, particularly with G-proteins. Black=carbon, white=hydrogen, red=oxygen, blue=nitrogen, orange=phosphorus.
Model release not required. Property release not required.