DNA molecule,computer artwork. DNA (deoxyribonucleic acid) is composed of two strands twisted into a double helix. DNA contains sections called genes,which encode the body's genetic information | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Pasieka, Alfred |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |