Which cell wall layer is usually flexible and allows cell expansion?
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Correct answer: Primary cell wall
The primary cell wall is relatively thin and flexible, allowing growing cells to expand. It contains cellulose, hemicellulose, pectin, and wall proteins.
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More Cell Wall questions
- Which wall layer is commonly deposited after cell expansion stops and often provides extra strength?
- Which compound commonly strengthens and waterproofs secondary cell walls?
- Which tissue commonly has heavily lignified cell walls?
- Which substance is deposited in cork cell walls to make them waterproof?
- What are pits in plant cell walls?
- Which structures pass through the cell wall and connect the cytoplasm of adjacent plant cells?