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  1. Apr 27, 2017 · All cells have cell membranes, but generally only plants, fungi, algae, most bacteria, and archaea have cells with cell walls. The cell wall provides strength and structural support to the cell, and can control to some extent what types and concentrations of molecules enter and leave the cell.

  2. Jul 16, 2020 · The cell wall is a rigid and protective outer covering commonly found in both prokaryotic and eukaryotic organisms such as plants, fungi, algae, bacteria, and archaea, but is absent in all animal cells. It is a non-living structure that varies in color and composition depending on the type of organism, and is freely permeable to natural substances.

  3. The plant cell wall is an elaborate extracellular matrix that encloses each cell in a plant. It was the thick cell walls of cork, visible in a primitive microscope, that in 1663 enabled Robert Hooke to distinguish and name cells for the first time.

    • Bruce Alberts, Alexander Johnson, Julian Lewis, Martin Raff, Keith Roberts, Peter Walter
    • 2002
    • 2002
  4. Apr 18, 2024 · The cell wall is crucial for plant cells as it provides structural support and protection. It allows the plant cell to withstand internal turgor pressure and maintain its characteristic rectangular shape. The cell wall also regulates growth by selectively loosening during cell expansion and division.

  5. Jul 29, 2024 · Cell Wall Key Points. The cell wall is an outer protective membrane in many cells including plants, fungi, algae, and bacteria. Animal cells do not have a cell wall. The main functions of the cell wall are to provide structure, support, and protection for the cell.

    • Regina Bailey
    • why are plant cell walls important to humans life cycle chart image1
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  6. In Figure \(\PageIndex{1}\), the diagram of a plant cell, you see a structure external to the plasma membrane which is the cell wall. The cell wall is the reason why vegetables such as celery crunch when you bite into them.

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  8. Jan 18, 2024 · Though a cell wall is commonly found in prokaryotes and fungi as well as plants, their diversity is due to convergent evolution, not common ancestry, when it comes to these three groups of organisms. Plant cell walls are composed of cellulose are an excretion found outside the plasma membrane.

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