Functions of a cell

Functions of a cell - Sclereids Cells of variable shape to...

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Functions of the cell types found in vascular plants. TISSUE CELL TYPE FUNCTION Epidermis Epidermal cells Protection against injury or  water loss -> creates waxy  cuticle Root hairs Increase surface area to  maximize absorption of  nutrients and better grown Guard cells Specialized epidermal cells  that are responsible for  opening and closing the stoma  to allow gas exchange  between leaf cels and the  environment Periderm Cork cells Function as a replacement for  the epidermis in outer lateral  meristem Parenchyma Parenchyma cells Supporting cells,  photosynthesis, storage,  secretion Collenchymas Collenchymas cells Support in soft, nonwoody  plant organs (uneven cell  walls) Sclerenchyma
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Unformatted text preview: Sclereids Cells of variable shape to provide support; cannot stretch or elongate Fibers Structural support Xylem Tracheids Conduct water and dissolved minerals Vessel elements Conduct water and dissolved minerals Fibers Provide support Parenchyma Perform storage functions; able to differentiate into new types of cells Phloem Sieve tube members Transport organic nutrients (ex: sugars from photosynthesis by leaves); all connected by sieve plates Companion cells Between sieve tube elements; connect organic cells together Fiber Structural support Parenchyma Support, storage, secretion From Lab Manual -> Lab #9 pg. 12...
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This note was uploaded on 08/10/2009 for the course BIO 102 taught by Professor Brey during the Spring '08 term at Rutgers.

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Functions of a cell - Sclereids Cells of variable shape to...

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