The World of the Cell, Fifth Edition combines the most readable book and effective learning package available for introductory cell biology. The book gives readers the basics of cell structure, function, and mechanisms. This book continues the tradition of the previous editions widely praised for covering some of the most difficult concepts, including bioenergetics, metabolism, enzyme kinetics, thermodynamics, membrane transport, cell signaling, regulatory mechanisms, transcription, signal transduction, and DNA replication and recombination.