GO:0005739 mitochondrion
GO:0009916 alternative oxidase activity
GO:0016020 membrane
GO:0016021 integral component of membrane
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0055114 oxidation-reduction process
GO:0070469 respiratory chain
GO:0007585 respiratory gaseous exchange
GO:0005740 mitochondrial envelope