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Essay / Research Paper Abstract
This 14 page paper looks at the different factors that influence stomatal opening and how these factors are seen as a biochemical level. The paper outlines the environmental factors that create or inhibit the stomatal opening and then examines the role of guard cells and the way they may open and close the aperture and the way that the actions of the guard cells may be adjusted. The bibliography cites 7 sources.
Page Count:
14 pages (~225 words per page)
File: TS14_TEstomat.rtf
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Unformatted sample text from the term paper:
function that has been observed as reacting to different influences. If the way that stomatal opening is understood, then the way in which plants are managed and genetically engineered may
benefit form the knowledge, especially for the development of plants where there is the need for plants to conserve moisture. This is the case for many plants that may help
with the provision of food to third world nations, where conditions may be harsh and water scarce. The epidermis has small opening known as pores, these pores are the
way in which gases and moisture in the form of water vapour escape, with the opening and the closing of the pores controlling the rate of gas and water vapour
expulsion. In plants, the stomata are most densely located on the leaves; their opening and closing is a key function for plant survival and plays an important role in
photosynthesis and perspiration (Allen et al, 2000). On either side of the stomata there is a guard cell which will control the opening and the closing of the stomata. These
two guard cells are the controlling mechanism for the aperture (Anonymous). These guard cells need to be capable of movement and as such they need a supply of energy
to carry out their function. These cells provide themselves with this energy due to their make up, which includes a number of mitochondria and chloroplasts and may be interpreted
as miniature photosynthesis factories. These are therefore the only epidermal cells which are green in colour. If the student wishes to see a view of the guard cells this can
be retrieved from http://forest.wisc.edu/forestry415/TreeStructure/leaves/guardcell.htm . To place this in the broader context of the leave structure this may be seen with the diagram of the cross section of a leaf
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