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.
Archaea vs. Bacteria. Archaea and bacteria are both single-celled organisms that reproduce asexually and do not have a nucleus. Archaea belong to a kingdom of single-celled microorganisms that do not have a nucleus or other organelles.In the past, archaea were classified as bacteria, but now they are known to be a separate type of organism. The word archaea is derived from the Greek archaios, meaning ancient.rchaea vs. Bacteria. Archaea and bacteria are both single-celled organisms that reproduce asexually and do not have a nucleus. Archaea belong to a kingdom of single-celled microorganisms that do not have a nucleus or other organelles.