Bacteria differ from eukaryotic forms of life in that they:

Explanation

This question is asking how bacteria differ from eukaryotic forms of life. The options are: A) causing all infectious diseases, B) having no nuclear membrane (correct answer), C) reproducing by binary fission, and D) having a thick cell-wall. Bacteria are single-celled organisms that are found in almost every environment on Earth, including soil, water, and even inside other organisms. They are very small and can only be seen under a microscope. One of the ways that bacteria differ from eukaryotic forms of life is that they have no nuclear membrane. This means that their genetic material, which is DNA, is not separated from the rest of the cell by a membrane-bound nucleus like it is in eukaryotic cells. Instead, the DNA in bacteria is found in a region of the cell called the nucleoid. This region is not separated from the rest of the cell by a membrane, but is still distinct from the rest of the cell. Bacteria also reproduce by binary fission, which means that they divide into two identical daughter cells. This is different from eukaryotic cells, which reproduce by mitosis or meiosis. While bacteria do have a cell wall, this is not a characteristic that distinguishes them from eukaryotic forms of life, as many eukaryotic cells also have cell walls. Additionally, while bacteria can cause infectious diseases, they are not the causes of all infectious diseases. In summary, bacteria differ from eukaryotic forms of life in that they have no nuclear membrane and reproduce by binary fission. For more information, please see the recommended textbooks.