What type of energy-yielding metabolism is found only in prokaryotes
Chemolithotrophy is found only in prokaryotes and is widely distributed among Bacteria and Archaea. The spectrum of inorganic compounds that can be used as electron donors by chemolithotrophs is rather broad (H 2 S, S 0, S 2 O 3 2â , H 2, Fe 2+ , NO 2 â or NH 3).