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  2. Cell wall - Wikipedia

    en.wikipedia.org/wiki/Cell_wall

    Diagram of the plant cell, with the cell wall in green. Cell walls serve similar purposes in those organisms that possess them. They may give cells rigidity and strength, offering protection against mechanical stress. The chemical composition and mechanical properties of the cell wall are linked with plant cell growth and morphogenesis. [11]

  3. Cell envelope - Wikipedia

    en.wikipedia.org/wiki/Cell_envelope

    The bacterial cell wall differs from that of all other organisms by the presence of peptidoglycan (poly-N-acetylglucosamine and N-acetylmuramic acid), which is located immediately outside of the cytoplasmic membrane. Peptidoglycan is responsible for the rigidity of the bacterial cell wall and for the determination of cell shape. It is ...

  4. Extracellular matrix - Wikipedia

    en.wikipedia.org/wiki/Extracellular_matrix

    The cell wall is the relatively rigid structure surrounding the plant cell. The cell wall provides lateral strength to resist osmotic turgor pressure, but it is flexible enough to allow cell growth when needed; it also serves as a medium for intercellular communication. The cell wall comprises multiple laminate layers of cellulose microfibrils ...

  5. Cell (biology) - Wikipedia

    en.wikipedia.org/wiki/Cell_(biology)

    Detailed diagram of lipid bilayer of cell membrane. The cell membrane, or plasma membrane, is a selectively permeable [citation needed] biological membrane that surrounds the cytoplasm of a cell. In animals, the plasma membrane is the outer boundary of the cell, while in plants and prokaryotes it is usually covered by a cell wall.

  6. Bacterial cell structure - Wikipedia

    en.wikipedia.org/wiki/Bacterial_cell_structure

    The bacterial cell wall differs from that of all other organisms by the presence of peptidoglycan which is located immediately outside of the cell membrane. Peptidoglycan is made up of a polysaccharide backbone consisting of alternating N-Acetylmuramic acid (NAM) and N-acetylglucosamine (NAG) residues in equal amounts.

  7. Bacterial capsule - Wikipedia

    en.wikipedia.org/wiki/Bacterial_capsule

    The outer red layer in this diagram is the capsule, which is distinct from the cell envelope. This bacterium is gram-positive, as its cell envelope comprises a single cell membrane (orange) and a thick peptidoglycan-containing cell wall (purple). The bacterial capsule is a large structure common to many bacteria. [1]

  8. Wikipedia:Featured picture candidates/Image:Prokaryote cell ...

    en.wikipedia.org/wiki/Wikipedia:Featured_picture...

    Re EncycloPetey: "The yellow is the cell wall" - no it's not, the yellow is clearly labeled as the capsule, the cell wall is labeled as the light green layer below the thick yellow capsule layer (this is the second time you've repeated this mistake). So it's not fine; either your claims are wrong or the diagram is mislabeled, and either way ...

  9. Wikipedia : Featured picture candidates/Typical animal cell

    en.wikipedia.org/.../Typical_animal_cell

    Original - This is a schematic view of an typical animal cell. An animal cell is a form of eukaryotic cell that makes up many tissues in animals. Reason well labeled, encyclopedic, high quality SVG. i am renominating it sepratly because last time it was one of the concern. Articles this image appears in Eukaryote, Cytoskeleton Creator Mariana Ruiz