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Unformatted text preview: for E. coli . Bacteria have flagella, shown in Figure 6, although the bacterial flagellum has a different microtubule structure than the flagella of eukaryotes. Cell walls of bacteria contain the peptidoglycan instead of the cellulose found in cell walls of plants and some algae. Ribosomes are the structures in cells where proteins are assembled. Bacterial ribosomes have different sized ribosomal subunits than do eukaryotes. Bacteria typically have one of three shapes: rods (bacilli), spheres (cocci) or spiral (spirilla). These shaps are shown in Figures 7 and 8. Unicellular, they often stick together forming clumps or filaments....
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