Photorespiration (also known as the oxidative photosynthetic carbon cycle, or C2 photosynthesis) is a process in plant metabolism which attempts to ameliorate the consequences of a wasteful oxygenation reaction by the enzyme RuBisCO. The desired reaction is the addition of carbon dioxide to RuBP (carboxylation), a key step in the Calvin-Benson cyc...
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http://en.wikipedia.org/wiki/Photorespiration
(from the article `Life Sciences`) The rising level of CO2 was decreasing the rate of photorespiration in plants. Photorespiration is a process in which plants turn sugars produced ... ...become rate-limiting. At light saturation, rate increases with temperature until a point is reached beyond which no further rate increase can ... U...
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http://www.britannica.com/eb/a-z/p/61
Increased respiration that occurs in photosynthetic cells in the light, due to the ability of RuDP carboxylase to react with oxygen as well as carbon dioxide. Reduces the photosynthetic efficiency of C3 plants.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: fō′tō-res′pĭr-ā′shŭn Definitions: 1. Light-enhanced respiration in photosynthetic organisms; light increases O
2 utilization.
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http://www.medilexicon.com/medicaldictionary.php?t=68662
photorespiration 1. The oxidation of carbohydrates in plants with the release of carbon dioxide during photosynthesis. 2. A process in which an organism takes in oxygen and releases carbon dioxide in the presence of light, occurring during photosynthesis in conditions in which there is a low concentration of carbon dioxide and intensive levels of ...
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http://www.wordinfo.info/words/index/info/view_unit/2009/3
Enhanced respiration of plants in the light relative to dark respiration
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