Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Oxidation of carbohydrates in plants with the release of carbon dioxide during photosynthesis.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology the
light -dependent release ofcarbon dioxide anduptake ofoxygen inphotosynthetic organisms ; an unavoidable side reaction ofphotosynthesis
Etymologies
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Examples
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The net result is that photosynthesis becomes limited by the process of photorespiration.
Photosynthesis 2009
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Concentrating carbon dioxide in the bundle sheath cells minimizes photorespiration.
Photosynthesis 2009
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Many of these species, such as switchgrass and Miscanthus exhibit high yields because photorespiration is reduced.
Photosynthesis 2009
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As internal leaf CO2 concentrations decline due to stomatal closure, the enzyme Rubisco tends to fix more oxygen and liberates CO2 in a process known as photorespiration.
Photosynthesis 2009
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Substrates are formed by one of three processes: decomposition (hydrolytic breakdown of plant litter, oxidation, fermentation); N mineralization, and photosynthesis and photorespiration.
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When the density of CO2 falls below the rubisco Km needed for fixing the CO2, the photosynthesis is slowed or stopped and the photorespiration increases.
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This results in a process called “photorespiration” in which CO2 and energy are lost from the leaf.
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1966-70 Continued microcosm studies: with Scott Nixon metabolism of brine microcosms and analog simulation showed rhodopsin photorespiration in pink Halophilic bacteria before it was found by physiologists.
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There’s “photorespiration” which uses O2 and is wasteful but still used under some circumstances.
Hansen and Schmidt: Predicting the Past? « Climate Audit 2006
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