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Contrast a bacterial flagellum with a eukaryotic flagellum.
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- Which of the following is true of the flagellum in eukaryotes? It is a long, thin extracellular (exterior) structure, with a basal motor embedded in the cell membrane/cell wall. It is identical to the archaeal flagellum (archaellum) in composition and structure, but very different in composition and structure from bacterial flagella. It is a long, thin structure containing bundles of microtubules and motor proteins, all within the plasma membrane. Eukaryotic cells do not possess flagella.Give at least three structural differences between the cell wall of Gram-positive and Gram-negative bacteria.Identify Three subtypes of polar arrangement where the flagella are attached at one or both ends of the cell.
- Give the functions of the following bacterial structures. Cell wall Cell membrane LPS Ribosomes NucleoidDescribe movement in prokaryotes and describe the structure of the bacterial flagellum.Draw a diagram of a bacterial cell. Label and explain the function of each of the following components: nucleoid, plasmid, cell wall, pili, and flagella.