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.
Photo by: Olin Feuerbacher. The Protista, or Protoctista, are a kingdom of simple eukaryotic organisms, usually composed of a single cell or a colony of similar cells. Protists live in water, in moist terrestrial habitats, and as parasites and other symbionts in the bodies of multicellular eukaroytes.Other eukaryotic kingdomsâthe Plantae, Fungi, and Animaliaâare each believed to be monophyletic.lveolates include dinoflagellates, aquatic forms with two flagella and a cell wall made of armorlike cellulose plates; Paramecium and other familiar ciliates; and the Apicomplexa, a group of intracellular parasites that includes Plasmodium, the cause of malaria, and Toxoplasma, the cause of toxoplasmosis.