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Function of the cell wall in a plant cell ?

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Kush Obhrai

I am currently in the process of qualifying to teach biology at uob

The cell wall in plants, is made out of cellulose, and provides a protective layer to keep the cell rigid.

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Abubakr Karimabadi

Lawyer, Hafidh, Teacher

Take your pick! Expansion: A major role of the cell wall is to form a framework for the cell to prevent over expansion. Support - The cell wall provides mechanical strength and support. It also controls the direction of cell growth.​ Withstand turgor pressure - Turgor pressure is the force exerted against the cell wall as the contents of the cell push the plasma membrane against the cell wall. This pressure helps a plant to remain rigid and erect, but can also cause a cell to rupture.​ Regulate growth - Sends signals for the cell to enter the cell cycle in order to divide and grow. Regulate diffusion - The cell wall is porous allowing some substances, including proteins, to pass into the cell while keeping other substances out.​ Communication - Cells communicate with one another via plasmodesmata (pores or channels between plant cell walls that allow molecules and communication signals to pass between individual plant cells).​ Protection - Provides a barrier to protect against plant viruses and other pathogens. It also helps to prevent water loss.​ Storage - Stores carbohydrates for use in plant growth, especially in seeds. I hope that helps :)

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