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What is a primary function of the rigid cell wall in plant cells?

Protection against viruses

Energy storage

Structural support

The primary function of the rigid cell wall in plant cells is to provide structural support. The cell wall is composed of cellulose, which gives the plant cell its shape and strength, allowing it to maintain structural integrity even under varying environmental conditions. This rigidity is crucial for supporting the plant, helping it stand upright and grow taller, and it also plays a role in protecting the internal components of the cell.

While other options like protection against viruses, energy storage, and photosynthesis relate to different aspects of plant cell functionality, they are not the primary role of the cell wall. The cell wall does contribute indirectly to protection and the plant's overall health but is primarily there to maintain structure and help the plant withstand physical stress.

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Photosynthesis

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