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The structure of a bacterial cell includes several key components: 1. Cell membrane: A lipid bilayer that regulates the movement of substances in and out of the cell. 2. Cell wall: Provides structural support and shape, typically made of peptidoglycan (in Gram-positive and Gram-negative bacteria). 3. Cytoplasm: A gel-like substance where cellular processes occur, containing ribosomes and enzymes. 4. Nucleoid: A region that contains the bacterial chromosome (a single, circular DNA molecule). 5. Ribosomes: Sites of protein synthesis. 6. Flagella (in motile bacteria): Whip-like structures for movement. 7. Pili and fimbriae: Hair-like projections used for attachment to surfaces or other cells. Some bacteria also have additional structures like capsules or endospores.
BNO Team