IN a theory put forward in these columns in March last 1, it was suggested that the molecule of simple native protein may contain closed polypeptides: that the polypeptides, open or closed ...

a hydrogen atom, and a variable component called a side chain (see below). Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds ...

3). Amino acids present in both gliadin and glutenin help the two proteins to form hydrogen bonds with each other. According to Arthur Tatham, professor of food science and nutrition at the University ...

Current industrial synthesis of urea compounds mainly uses a three-step method involving phosgene, which generates a large amount of corrosive hydrochloric acid. Now, however, a joint research group ...

DNA stands for deoxyribonucleic acid. Nucleic acids are named for where they're found—inside the nuclei of cells—and for the ...