quinol-cytochrome-c reductase activity https://github.com/geneontology/go-ontology/issues/20616 https://github.com/geneontology/go-ontology/issues/21275 https://github.com/geneontology/go-ontology/issues/25935 https://github.com/geneontology/go-ontology/issues/26941 https://github.com/geneontology/go-ontology/issues/30272 ubiquinol:ferricytochrome-c oxidoreductase activity mitochondrial electron transport complex III cytochrome b566 ubiquinol-cytochrome c1 oxidoreductase activity electron transporter, transferring electrons within CoQH2-cytochrome c reductase complex activity ubiquinol-cytochrome-c reductase activity cytochrome b562 ubiquinol-cytochrome c2 reductase activity cytochrome c1 cytochrome a electron transporter, transferring electrons within cytochrome c oxidase complex activity cytochrome a3/copper complex ubiquinol-cytochrome c oxidoreductase activity ubiquinol-cytochrome c-2 oxidoreductase activity soluble cytochrome b562 electron transfer activity proton transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors active monoatomic ion transmembrane transporter activity