Why a mastectomy may be necessary. A mastectomy is mainly used as a treatment for breast cancer or to reduce the risk of breast cancer developing. Although breast cancer in men is much rarer than female breast cancer, it can also be treated with a mastectomy. Treating breast cancer.
Confidence votes 54. Protists are different from bacteria and archaea as protists, that have nuclei and can be multicellular, as from bacteria and archaea, that has no nuclei and is unicellular.acteria are pr â¦ okaryotic, and do not have nuclei. Also, protists are sort of like the miscellaneous category. There are plantlike cells (such as diatoms) and animal-like cells (such as ameoba). Bacteria and protists also have different shapes to their cells and different organelles.
Eukaryotes can be found variously as single-celled organisms called protists, and as organized systems in multicellular organisms. The cells of all plants, animals and fungi are eukaryotes. The prokaryotes live on in the two major divisions of bacteria-the eubacteria and the archebacteria.aluable Lessons. Having established that Giardia occupies an important position in the transition from prokaryotes to eukaryotes, we have been interested in exploring aspects of its life history to see what we can learn about the early eukaryotes.