Purine is an aromatic heterocycle, shown here as a ball-and-stick molecular model. The DNA/RNA nucleobases adenine and guanine are purine derivatives. Atoms are colour-coded: carbon is black, hydrogen is white, nitrogen is blue) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / GREG WILLIAMS |
Bildgröße: | 4800 px × 4200 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |