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Questions and Answers
Which structure in plant cells allows materials to pass from the cytoplasm of one cell to the cytoplasm of an adjacent cell?
What is the role of collagen in plant tissues?
What is the extracellular structure in plant cells that distinguishes them from animal cells?
What is the main component of the plant cell wall?
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What is the function of plasmodesmata in plant cells?
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Which cellular surface is specialized for secretion, absorption, and movement of luminal contents?
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What is the function of plasmodesmata in plant cells?
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What is the main component of the plant cell wall?
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What is the role of collagen in plant tissues?
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What is the function of the extracellular matrix (ECM) in plant cells?
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Study Notes
Key Structures in Plant Cells
- Plasmodesmata: Channels that connect the cytoplasm of adjacent plant cells, allowing the transport of materials and communication between cells.
- Extracellular Matrix (ECM): Provides structural and biochemical support to surrounding cells, playing a vital role in maintaining tissue integrity in plants.
Plant Tissue Composition
- Collagen: While primarily related to animal tissues, similar proteins serve structural functions in plants, aiding in the strength and rigidity of certain plant tissues.
- Plant Cell Wall: Composed mainly of cellulose, which provides rigidity and protection, distinguishing plant cells from animal cells, which lack such a rigid structure.
Cellular Functions
- Secretion, Absorption, and Movement: The apical surface of plant cells is often adapted for these functions, enhancing their efficiency in nutrient uptake and material processing.
Summary of Functions
- Plasmodesmata Function: Facilitates direct communication and transport between adjacent cells, essential for coordinated growth and response to environmental changes.
- Function of ECM: Plays crucial roles in cell signaling, adhesion, and mechanical support within plant tissues.
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Description
Test your knowledge on cell modifications, plasmodesmata, and extracellular matrix with this quiz. Learn about the functions and characteristics of these cellular components.
