BACKGROUND: Many well-documented biochemical processes lack a molecular mechanism. Examples are: how ATP hydrolysis and an enzyme contrive to perform work. such as active transport; how peptides are formed from amino acids and DNA from nucleotides; how proteases cleave peptide bonds. how bone mineralses; how enzymes distinguish between sodium and potassium; how chirality of biopolymer... https://allfixelectricales.shop/product-category/dryer-fan-bearing/