Electron Transport Complex IV Animals 44 cytochrome c oxidase 42 article 32 Phylogeny 30 mitochondrial DNA 26 Argentina 24 DNA, Mitochondrial 24 animal 24 genetics 24 phylogeny 24 Molecular Sequence Data 20 nucleotide sequence 20 Sequence Analysis, DNA 18 nonhuman 18 genetic variability 16 DNA sequence 14 molecular genetics 14 Haplotypes 12 chemistry 12 classification 12 controlled study 12 Base Sequence 10 Genetic Variation 10 Insect Proteins 10 Male 10 Polymerase Chain Reaction 10 Species Specificity 10 haplotype 10 unclassified drug 10