Melatonin molecule. Melatonin is a hormone regulating circadian rhythms and several other biological functions.in this stick model, carbon is green, hydrogen is grey, nitrogen is blue, and oxygen is red. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 10000 px × 5924 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |