Whose Main Job Gives a Plant Cell Strength and Stiffness?

By BYJU'S Exam Prep

Updated on: November 9th, 2023

The Cell Wall gives Plant Cell Strength and Stiffness. The cell wall serves several essential purposes, including giving the cell its distinct form, sturdiness, and stiffness; Defense against shocks and mechanical stress; Restraining excessive hydration’s effect on cell growth; Prevention of cellular water loss. Also, the movement of chemicals within and between cells. All of the layers of a cell wall are required by plants for support.

Plant Cell Strength And Stiffness

The non-living cellulose outer layer that serves as the plant cell’s cell wall gives it the necessary defense and structural support. This structural support is termed the strength and stiffness of the plant cell. The cell wall is located above the plasma membrane and has an irregular shape.

  • The cell wall has three layers: the primary, secondary, and middle lamella, and it is made up of pectin, cellulose, hemicellulose, and other minerals.
  • The main cell wall is made mostly of cellulose and is somewhat porous. The middle lamella is made up of pectin and other substances like lignin and proteins.
  • Mature cells acquire the necessary stiffness and waterproofing from the secondary wall, which forms in mature cells and is composed of cellulose and lignin. Additionally, it is the layer with the greatest thickness.


Whose Main job is Giving Strength and Stiffness to a Plant Cell?

The Cell Wall of the Plant Cell provides the required Strength and Stiffness to it. The secondary cell wall of plants is formed by a layer of lignin, which gives it its strength and rigidity. The primary cell walls of plants are made of sturdy cellulose. The cell is a crucial part of the plant cell because it protects the other cells and provides them with their structural support.

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