... No previous knowledge of biology is assumed and the first six chapters cover the basics of cell structure, proteins, and nucleic acids as applied to drug design. Chapters 7, 8, and 9 describe the general tactics employed in developing an effective drug and also the difficulties faced by the medicinal chemist in this task. ... 5.Drug action at receptors . ... The design of antagonists . ... Copyright (C) Graham L.Patrick "An Introduction to Midicinal Chemistry" Oxford University Press, 1995 . ...