Are these mitochondria found in all cells or only bacteria  Can you provide some documents or references about this  All the Google results refer to a type of bacteria  the recent discussion pertaining to the use of the knallgas bacteria  Genome sequence of the bioplasticproducing Knallgas bacterium Ralstonia eutropha   digested cell envelope preparations obtained from the knallgas bacterium strain  CO FIXATION BY KNALLGAS BACTERIA  You are opposed to a merge with oxyhydrogen flame because of the biological definition  Maybe we should have a separate article for the welding and a separate article under the name Knallgas for the biological