Describe the structure of the bacterial cell. Why do you think DNA does not form a complex with proteins in bacteria?

The cell is surrounded by a membrane of the usual structure, outside of which there is a cell wall. In the central part of the cytoplasm there is one circular DNA molecule, not delimited by the membrane from the rest of the cytoplasm. The cell area containing the genetic material is called a nucleoid (from lat. Nucleus – nucleus and Greek. Eidos – species). In addition to the main ring “chromosome”, bacteria usually contain several small DNA molecules in the form of small, freely arranged rings, the so-called plasmids involved in the exchange of genetic material between bacteria. In bacterial cells there are no membrane organelles characteristic of eukaryotes (endoplasmic reticulum, Golgi apparatus, mitochondria, plastids, lysosomes). The functions of these organoids are performed by invading the cell membrane. Mandatory organoids that provide protein synthesis in bacterial cells are ribosomes. On top of the cell wall, many bacteria secrete mucus, forming a kind of capsule that additionally protects the bacterium from external influences.
Histone proteins, which form complexes in eukaryotic cells, first of all perform the function of packing for a compact arrangement in the nucleus, and in a prokaryotic cell there is no nuclear membrane, therefore, proteins are not needed.

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