DNA molecules,computer artwork. DNA (deoxyribonucleic acid) is composed of two strands twisted into a double helix. Each strand consists of a sugar-phosphate backbone attached to nucleotide bases (cross bars). There are four different bases: guanine,cytosine,thymine and adenine. DNA contains sections called genes,which encode the body's genetic information | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Laguna Design |
Bildgröße: | 3600 px × 4800 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |