Role of deoxyribonucleic acid-ribonucleic acid hybrids in eukaryotes. Study of the template requirements of yeast ribonucleic acid polymerases and nature of the ribonucleic acid product.

Animals Cattle Clostridium perfringens Coliphages DNA/metabolism DNA Viruses DNA, Bacterial/metabolism DNA, Viral/metabolism DNA-Directed RNA Polymerases/metabolism Escherichia coli/enzymology Male Nucleic Acid Conformation Nucleic Acid Hybridization Phosphorus Radioisotopes Polyomavirus RNA/biosynthesis Ribonucleases Saccharomyces cerevisiae/enzymology Salmon Species Specificity Spermatozoa Structure-Activity Relationship Templates, Genetic Thymus Gland Transcription, Genetic Tritium

DNA, Bacterial DNA, Viral Phosphorus Radioisotopes Tritium RNA DNA DNA-Directed RNA Polymerases Ribonucleases