An oligomer resulting from a linear sequences of nucleotides. Macromolecules composed of short sequences of nucleotides that are usually synthetically prepared and used e.g. in site directed mutagenesis . They are found throughout nature in both the free and bound form. The term is usually applied to structures formed from a- amino acids, but it includes any amino carboxylic acid. A fatty compound that contains phosphate.
Phospholipids make up much of the outer membranes of cells and organelles.
Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. Peptides containing ten or more amino acids. Compounds consisting of a large number of monosaccharides linked glycosidically. This term is commonly used only for those containing more than ten monosaccharide residues. Also called glycans.