... different chemical and physical properties,including hydrophilic (polar, water-loving) and hydro-phobic (nonpolar, water-avoiding) groups, charged and neutral polar groups, and acidic and basic groups. ... Nomenclature. Academic Press, Orlando, Fla.* Indicates a reference that is general reading in the field and is alsocited in this chapter. Chapter ReferencesBryant, F. O., and Adams, M. W. W. (1989) ... structure:peptide bond. (B and C) Secondary structure: α helix (B) and antiparallelβpleated sheet (C). (D) Tertiary structure: α helices,βpleated sheets, and random coils. (E) Quaternary...