Vitamin B12,molecular model. Vitamin B12 is an essential nutrient found in meat,fish,poultry and diary products,and is needed for producing red blood cells and for a healthy nervous system. Atoms are represented as spheres and are colour-coded: carbon (green),hydrogen (white),nitrogen (blue),oxygen (red) and cobalt (yellow) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Leroy, Francis / Biocosmos |
Taille de l’image : | 5000 px × 3514 px |
Model Release : | Non requis |
Restrictions : | - |