B. Berkhout, Structure and Function of the Human Immunodeficiency Virus Leader RNA.M. Bustin and R. Reeves, High-Mobility-Group Chromosomal Proteins: Architectural Components That Facilitate Chromatin Function.D. Carroll, Homologous Genetic Recombination in Xenopus: Mechanism and Implications for Gene Manipulation.N.L. Eberhardt, S.-W. Jiang, A.R. Shepard, A.M. Arnold, and M.A. Trujillo, Hormonal and Cell-specific Regulation of the Human Growth Hormone and Chorionic Somatomammotropin Genes.S.R. Kimball, H. Mellor, K.M. Flowers, and L.S. Jefferson, Role of Translation Initiation Factor eIF-2B in the Regulation of Protein Synthesis in Mammalian Cells.W. Pansegrau and E. Lanka, Enzymology of DNA Transfer by Conjugative Mechanisms.X. Bi and L.F. Liu, recA-independent DNA Recombination between Repetitive Sequences: Mechanisms and Implications.J. Czworkowski and P.B. Moore, The Elongation Phase of Protein Synthesis.A. Stein, Signals in Eukaryotic DNA Promote and Influence Formation of Nucleosome Arrays.Chapter References.Index.