Proteins are linear polymers formed by linking the a-carboxyl group of one amino acid to the a-amino group of another amino acid. This type of linkage is called a peptide bond or an amide bond. The formation of a dipeptide from two amino acids is accompanied by the loss of a water molecule.
Release date. The Galaxy S8 and S8+ are both available to pre-order from Wednesday 29 March, with early buyers set to receive their handset on 20 April. The smartphones will be available to all from 28 April.
SK8. SK8 was a pioneering multimedia authoring environment developed in Apple's Advanced Technology Laboratory from 1988 until 1997. The original motivating idea for SK8 was to realize a development environment that would be easy to learn and that would help people to create applications by simply drawing.