GED Science Practice

Question: 1 / 400

What is the function of the cell wall in plant cells?

Protection from UV radiation

Facilitates cellular respiration

Forms a rigid layer around the cell membrane

The function of the cell wall in plant cells is to form a rigid layer around the cell membrane. This rigidity provides structural support and protection to the cell, helping it maintain its shape. The cell wall is primarily composed of cellulose, which is a polysaccharide that gives strength to the wall. This feature is crucial for plants, as it allows them to stand upright and withstand various environmental pressures without collapsing.

This characteristic of the cell wall is important for overall plant health, as it plays a role in regulating the movement of substances in and out of the cell while also protecting against physical damage and pathogens. In contrast, options like protection from UV radiation, facilitating cellular respiration, and storing excess water do not accurately describe the primary role of the cell wall in plant cells.

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Stores excess water

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