Thymine. Molecular model of thymine (C5.H6.N2.O2), one of the four main nucleobases found in DNA (deoxyribonucleic acid). Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Laguna Design |
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