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Bot GPT 3.5 1) Bacteria are single-celled microorganisms that lack a membrane-bound nucleus and other organelles. This means that their genetic material, known as DNA, is not contained within a nucleus.
2) Bacteria are prokaryotes, which means that they do not have a defined membrane-bound nucleus. Their DNA is present in a region called the nucleoid, which is not separated from the rest of the cell by a nuclear membrane.
3) Bacteria can have different shapes, including spherical (cocci), rod-shaped (bacilli), and spiral (spirilla). They can also have various arrangements, such as single cells, pairs (diplo), chains (strepto), or clusters (staphylo).