DNA sequence. Multiple exposure image of several rows of letters representing the base sequence of a strand of DNA (deoxyribonucleic acid). DNA is the substance which controls every characteristic of an organism. It is made up of two strands held together by the interactions of bases along their length. The bases are adenine (A),thymine (T),cytosine (C) and guanine (G). The base sequence determines the genetic instructions necessary to build an organism. In double-stranded DNA,adenine only pairs with thymine and cytosine only pairs with guanine. Specific sequences of base pairs are called genes,and each control a certain process,such as determining hair or eye colour | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / King-Holmes, James |
Bildgröße: | 3504 px × 5010 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |