I. The Eukaryotic Cell Cycle and Its Regulation.- Cell Cycle Genes as Potential Oncogenes.- Cell Cycle Control Genes of the Fission Yeast Schizosaccharomyces pombe.- Hormonal Control of Cell Division in Saccharomyces cerevisiae.- Molecular Cloning and Physiological Analysis of the Start Gene cdc25 in Budding Yeast.- Regulation of Histone Gene Transcription in S. cerevisiae.- The Determination of Mother Cell-Specific Mating Type Switching in Yeast by a Specific Regulator of HO Transcription.- II. Cellular Oncogenes and Their Relation to the Cell Cycle.- Analysis of the neu-Encoded Protein and Its Mechanism of Oncogenic Activation.- c-fos and Growth Control.- Structure and Function of myc and mil Oncogenes.- The T Cell Receptor ? Chain and Immunoglobulin Genes in Specific Chromosomal Translocations in Human Leukaemias.- Regulation of c-myc in Variant Chromosomal Translocations of Burkitt Lymphoma.- Biochemical Properties of Oncogene-Coded Proteins.- Suppressors of RAS Function in Saccharomyces cerevisiae.- Functional Analysis of the ras-Related YPT1 Gene Product in Yeast.- Lineage-Specific Oncogene Cooperativity in Avian Hematopoietic Cells.- III. Growth Factors: Primary Effects and Relation to Oncogenes.- Platelet-Derived Growth Factor: Structure, Function, and Role in Autocrine Stimulation of Growth.- Signal Transduction by Growth Factor Receptors.- Structural and Functional Analysis of Cell Surface Receptors with Tyrosine Kinase Activity.