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Questions and Answers
What is the primary function of parenchyma cells?
What are the characteristics of parenchyma tissue?
What distinguishes simple permanent tissues from complex tissues?
What is the function of sclerenchyma cells?
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What do complex tissues consist of?
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Study Notes
Parenchyma Cells
- Primary function includes storage, photosynthesis, and tissue repair in plants.
- Serve as the main site for metabolic processes and nutrient storage.
Characteristics of Parenchyma Tissue
- Composed of thin-walled, living cells that can divide.
- Generally have large intercellular spaces, aiding in gas exchange.
- Can vary in shape, but are often spherical or elongated.
- Found in various plant organs such as leaves, fruits, and flowers.
Simple Permanent Tissues vs. Complex Tissues
- Simple permanent tissues consist of a single cell type, such as parenchyma, collenchyma, and sclerenchyma.
- Complex tissues contain multiple cell types working together, such as xylem and phloem.
- Simple tissues mainly provide support and storage while complex tissues are involved in transport and structural functions.
Function of Sclerenchyma Cells
- Provide mechanical support and strength to plant structures.
- Composed of thick, lignified walls which make them rigid.
- Typically dead at maturity and contribute to the overall structural integrity of plants.
Components of Complex Tissues
- Consist of two or more different types of cells specialized for specific functions.
- Xylem is responsible for water transport, consisting of tracheids and vessel elements.
- Phloem facilitates the transport of nutrients, including sieve tubes and companion cells.
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Description
Test your knowledge of the structure and function of plant parenchyma tissue, a live cell tissue that supports photosynthesis and offers storage capabilities. Learn about the composition of parenchyma cell walls, vacuoles, and nuclei.
