The cytoskeleton is a structural component of the cell that is positioned as a thin layer of lines just under the inside of the plasma membrane's phospholipid bilayer.

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The plasma membrane of most bacterial and eukaryotic cells is structured as a bilayer composed primarily of proteins and phospholipids formed with ester linkages. Consistent with the fluid mosaic model, these phospholipid and protein components are highly dynamic, possessing the ability to move laterally within the plane of the membrane as well as between the two phospholipid layers.

Phospholipid Bilayer

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Cytoskeleton

Archaeal plasma membranes differ fundamentally from bacterial and eukaryotic membranes in three significant ways. First, archaeal membrane phospholipids are formed with ether linkages, rather than the ester linkages found in bacteria and eukaryotes. Second, archaeal phospholipids contain branched chains, whereas those of bacterial and eukaryotic cells are straight-chained. Finally, while some archaeal membranes form lipid bilayers similar to other domains, other archaeal plasma membranes exist as lipid monolayers.

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