Photosynthesis 1When the guard cells lose water on a hot day, they become deflated and push together, thus closing off the stoma. This cleaver strategy prevents the plants from dehydrating. Stomata open when K+ enters guard cell followed by...
http://answers.yahoo.com/question/index?qid=20081013224...
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Stoma - Wikipedia, the free encyclopedia
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In botany, a stoma (also stomate ; plural stomata ) is a pore, found in the leaf and stem epidermis that is used for gas exchange. The pore is formed by a pair of specialized parenchyma cells kn...
en.wikipedia.org/wiki/Stoma
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The stomata close. ... Open stomata also provide an opening through which bacteria can invade the interior of the leaf. However, guard cells have receptors that can detect the presence of molecules associated with bacteria called pathogen-associated molecular patterns (PAMPs).
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users.rcn.com/jkimball.ma.ultranet/BiologyPages/G/GasEx...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/G/GasExchange.html
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LIGHT CAUSES K+ TO ENTER THE GUARD CELLS ... WHEN THE WATER ENTERS THE GUARD CELLS THEY SWELL UP AND; THE STOMA OPENS ... EACH GUARD CELL HAS SPIRAL THICKENINGS WHICH CAUSE THE ; CELLS TO BOW OUT INSTEAD OF BECOMING FATTER. THESE; THICKENINGS ARE CALLED RADIAL MYCELLATIONS...
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users.tamuk.edu/kfcmg00/how_stomates_open_and_close____...
users.tamuk.edu/kfcmg00/how_stomates_open_and_close_____.htm
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A stoma or pore is formed by a pair of bean-shaped guard cells. The guard cells have the ability to open and close the stoma. The inner walls of the guard cells are thick and the outer walls thin. Guard cells differ from the translucent epidermal cells in that they ... Stomata with guard cells open and close.
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www.botany.uwc.ac.za/sci_ed/grade10/anatomy/leaves.htm
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Stomata open during the day and close during the night. ... ABA also seems to trigger a loss of K ions from guard cells. Some workers suggest that in some species, ABA alters turgor pressure without changing solute potential or water potential.
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www-saps.plantsci.cam.ac.uk/records/rec106.htm
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Jobs and Education question: What is the job of guard cells? The job of guard cells is to open and close the stomata. Stomata are the pores found on the leaves of plants. Their function is to allow carbon ... The job of guard cells is to open and close the stomata.
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wiki.answers.com/Q/What_is_the_job_of_guard_cells
wiki.answers.com/Q/What_is_the_job_of_guard_cells
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Crescent shaped cells ... Inner wall is thickened ... When guard cells are turgid, stomata are open; pores close when cells are not turgi...
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www.hort.purdue.edu/hort/courses/HORT101Spring/Leaves/t...
www.hort.purdue.edu/hort/courses/HORT101Spring/Leaves/tsld012.htm
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Hutchinson encyclopedia article about Guard cells. Guard cells. Information about Guard cells in the Hutchinson encyclopedia. ... The stomata, tiny openings in the epidermis of a plant, are surrounded by pairs of crescent-shaped cells, called guard cells. The guard cells open and close the stoma by changing shape.
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encyclopedia.farlex.com/Guard+cells
encyclopedia.farlex.com/Guard+cells
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