Gene Transfer in the Sea Urchin.- Properties and Uses of Heat Shock Promoters.- The Expression of Introduced Genes in Regenerated Plants.- Control of Maize Zein Gene Expression.- Dnase I Footprinting as an Assay for Mammalian Gene Regulatory Proteins.- Use of Gene Transfer in the Isolation of Cell Surface Receptor Genes.- A New Method for Synthesizing RNA on Silica Supports.- Activity Gels: Reformation of Functional Proteins from SDS-Polyacrylamide Gels.- Plasmid Vectors Carrying the Replication Origin of Filamentous Single-Stranded Phages.- High Level Production of Proteins in Mammalian Cells.- Plant Microinjection Techniques.- Genetic Transformation to Confer Resistance to Plant Virus Disease.- Alternative Splicing: Mechanistic and Biological Implications of Generating Multiple Proteins from a Single Gene.