Amino acids. Computer-generated molecular models of three different amino acids. Clockwise from top left: methionine (C5H11SNO2),glutamine (C5H10NO3) cysteine (C3H7SNO2). The coloured spheres repres- ent different atoms: oxygen (light blue),carbon (red),hydrogen (white),nitrogen (dark blue),sulphur (yellow). Amino acids are the building blocks of proteins,which control the biochemical activity inside all living cells. There are 20 different types of amino acids but millions of different proteins. Genes specify exactly how the different amino acids are put together to make a which in turn determines its function | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Edward, Kenneth / Biografx |
Taille de l’image : | 5267 px × 3662 px |
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