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.
The protists are single-celled eukaryotic microrganisms, as mentioned earlier. Examples are amoebas, diatoms, algae and protozoa. These can be a danger to human and animal health, as certain protists can cause diseases, such as malaria and sleeping sickness.hey reproduce by first copying their DNA and than performing cell division. Bacteria also lack membrane-bound organelles, such as mitochondria, the cell structures involved in energy metabolism. Bacterial cells are so small that scientists measure them in units called micrometers (Âµm), a millionth of a meter.