Coloured scanning tunnelling micrograph of DNA
Numéro d’image : 12065772
| DNA. Coloured scanning tunnelling microscope (STM) image of a DNA molecule. DNA (deoxyribonucleic acid) forms the genetic material of all cells. It is a polymer consisting of a sugar phosphate back- bone,linked with another sugar phostphate back- bone by 4 nucleotide bases,adenine,guanine,thy- mine and cytosine. The red peaks represent the sugar phosphate atoms & the blue troughs are the bases. An STM provides a high resolution scanning electron microscope image of the surface of a mol- ecule. The image is formed by moving a fine-tipped needle close to the surface under study,& electronically recording the height of the point as it scans,producing a 3-D image | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / US Department of Energy |
| Taille de l’image : | 4873 px × 3425 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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