A door is an example of a cell wall. It is a protective wall, provides, and maintains the shape of these cells. They also serve as a protective barrier.
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The extracellular matrix in animal cells performs a similar function to the cell wall in plant cells. It provides structure, support, and protection to the cell.
The plasma membrane, also known as the cell membrane, functions similarly to the cell wall by providing structure, protecting the cell, and regulating what enters and exits the cell. It is a phospholipid bilayer that surrounds the cell and maintains its integrity.
An alternative to the cell wall is the cell membrane. While the cell wall provides structural support and protection in plant cells, the cell membrane controls the movement of materials in and out of the cell in both plant and animal cells.
The cell membrane. However, a plant's cell wall is rigid while the cell membrane is not. Plant cells also have a cell membrane.The cell membrane protects the cell and holds it together.(Plant cells have them too, however. One of their main functions is to regulate what comes in and goes out of the cell).
The cell wall creates a semipermeable boundary that keeps the matter of the cell together while also allowing respiration. In animalian organs, the walls not only hold in material(performing the same function) but they are muscular and help the organ work. Above the organ stage, the skin on an animal performs the same function as a cell wall, as does the bark on a tree. They hold the material inside, but are semipermeable to allow exchange of substances.
The cell wall in an onion cell provides structural support and protection, helping the cell maintain its shape and resist damage.