DNA molecules, illustration. 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: | 5000 px × 3750 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |