Bacteria are prokaryotes characterized by cytoplasm and a cell membrane enclosed by a cell wall. They lack a true nucleus, instead possessing a circular DNA strand that floats freely in the cytoplasm, and may also contain plasmids.
Bacteria are prokaryotes with cytoplasm and a cell membrane surrounded by a cell wall; they lack a true nucleus, having a free-floating circular DNA strand and possibly plasmids.
| Text | Bacteria are prokaryotes. A bacteria cell has cytoplasm and a cell membrane surrounded by a cell wall. The cell doesn't have a true nuclues - instead it has a circular strand of DNA that floats freely in the cytoplasm. Bacterial cells may also contain one or more small rings of DNA called plasmids. |
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