dipeptide

a formation from two amino acids bonded together by means of a

condensation reaction

disaccharide

a double sugar formed from two monosaccharides

fatty acid

functional group

a structural building block that determines the characteristics

of a chemical compound

hydrogen bond

a weak chemical bond between the hydrogen atom in one

molecule and a negatively-charged region of another molecule

hydrolysis

hydrophilic

hydrophobic

referring to the molecular repulsion of water

isomer

one of two or more compounds that differ in structure but not in

molecular composition

lipid

a kind of organic compound that is insoluble in water, such as fats and

steroids