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.
The Game Boy Advance SP (ã²ã¼ã ãã¼ã¤ã¢ããã³ã¹SP, GÄmu BÅi Adobansu Essu PÄ«), released in February 2003, is an upgraded version of Nintendo's Game Boy Advance. The SP in the name stands for Special. The SP was marketed at US$99.99 at launch. In September 2004, Nintendo lowered the price to US$79.99. The SP is accompanied by the Nintendo DS (released in November 2004) and the Game Boy Micro (released in September 2005). In Japan, it was marketed at Â¥12,500 on February 14, 2003. In Canada, it was marketed at CA$149.95 on March 22, 2003.