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.
Samsung Galaxy S9 Release Date: The Galaxy S9 will almost certainly be announced at MWC 2018, with the smart money on February 25-26. It should be available shortly after launch. Samsung Galaxy S9 Design, Specs and Features: The main rumours include a new display thatâs curved on all four sides, and a powerful new 10nm processor that could increase performance and power efficiency.