The unusual properties of mtDNA from a "low-density" petite mutant of yeast.

Base Sequence Centrifugation, Density Gradient Chromatography DNA/analysis,isolation & purification Deoxyribonucleotides/analysis Genetics, Microbial Hydroxyapatites Kinetics Macromolecular Substances Microscopy, Electron Mitochondria/analysis Models, Chemical Mutation Nucleic Acid Denaturation Nucleic Acid Renaturation Phenanthridines Phosphorus Isotopes Saccharomyces/analysis Saccharomyces cerevisiae/analysis,cytology Temperature Vibration

Deoxyribonucleotides Hydroxyapatites Macromolecular Substances Phenanthridines Phosphorus Isotopes DNA