Asingle-celled organism is found living in a deep sea vent at the bottom of the ocean in extremely hot water. if it is examined further, which of the following is most likely to be found within it? . it will have a nucleus and other membrane-bound organelles since it is likely a member of the domain eukaryota.. it will have a cell membrane since it is likely a member of the domain archaea and the kingdom protista.. it will have dna and rna, as well as a cell wall, since it is likely a member of the domain bacteria.. it will have dna that is not contained in a nucleus since it is likely a member of the domain archaea.