1 RNA in Retrospect. - References. - 2 Transcription. - A. Purification and Physical Properties of RNA Polymerases. - B. The Mechanism of Transcription. - C. Inhibitors of RNA Polymerase. - D. Control of Prokaryote Transcription. - E. Control of Eukaryote Transcription. - References. - 3 Nuclear RNA. - A. Preparation of Nuclear RNA. - B. The Concept of Nucleus-specific RNA and Migrating RNA. - C. Heterogeneous Nuclear RNA (HnRNA). - D. Low-molecular-weight Nuclear RNA (LnRNA). - E. Chromosomal RNA (ChRNA). - References. - 4 Messenger RNA. - A. Isolation and Size of Specific Cellular mRNAs. - B. Translation in Cell-free Systems. - C. Nucleotide Sequence Analysis. - D. Architecture of mRNA Molecules. - E. Messenger RNA-Protein Complexes. - F. Turnover of mRNA. - G. Summary. - References. - 5 Transfer RNA and Cytokinins. - A. Purification of Amino Acid-specific tRNAs. - B. The Structure of tRNA. - C. Biosynthesis of tRNA. - D. The Aminoacylation of tRNA. - E. Ribosomal Binding Sites in tRNA Molecules. - F. Possible Roles of tRNAs in the Regulation of Gene Expression. - References. - 6 Ribosomal RNA. - A. The Structure of Ribosomal RNA. - B. The Role of Ribosomal RNA. - C. The Synthesis of Ribosomal RNA. - D. Concluding Remarks. - References. - 7 Translation of Messenger RNA. - A. Initiation of Translation in Prokaryotes. - B. Initiation of Translation in Eukaryotes. - C. Elongation in Prokaryotes. - D. Elongation in Eukaryotes. - E. Termination. - F. The Ribosome Cycle. - G. Translation of Polycistronic mRNA. - H. Regulation of Translation. - I. Concluding Remarks. - References. - 8 Mitochondrial RNA. - A. Experimental Problems Associated with the Isolation and Characterization of RNA from Mitochondria. - B. Mitochondrial Ribosomes. - C. Ribosomal RNA of Mitochondria from Yeast Fungi Protozoa and Plants. - D. Ribosomal RNAof Animal Mitochondria. - E. Unusual Properties of Mitochondrial rRNA. - F. Transfer RNA. - G. Messenger RNA. - H. Genes Coding for Mitochondrial RNA. - I. Transcription and Turnover of RNA in Mitochondria. - J. Mitochondrial RNA in Cellular Function and Development. - K. Concluding Remarks. - References. - 9 Chloroplast RNA. - A. Isolation of Chloroplasts. - B. Extraction of Leaf and Chloroplast RNAs. - C. Transfer RNA. - D. Ribosomes. - E. Ribosomal RNA. - F. Messenger RNA. - G. RNA Synthesis in Isolated Chloroplasts. - H. RNA Synthesis in Developing Chloroplasts. - I. Concluding Remarks. - References. - 10 Isolation Purification and Fractionation of RNA. - A. Tissue Disruption. - B. Nucleoprotein Dissociation and Deproteinization. - C. Purification. - D. Fractionation. - References. Language: English