Of the 20 essential amino acids, nine are actually essential. Of those nine, three are branch-chain amino acids (BCAAs). Leucine falls into both groups. All BCAAS are vital for building and ...

Proteins are biopolymers of amino acids (polypeptides), joined by peptide bonds, that are generated by ribosomes. The amino acid sequence, encoded by its gene, determines a protein’s structure ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator.

Department of Chemistry, Faculty of Science (Boys), Al-Azhar University, 11884 Nasr City, Cairo, Egypt ...