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Photorespiration


Photorespiration is an alternate pathway for Rubisco, the main enzyme of photosynthesis (specifically, the Calvin cycle). Although Rubisco favors carbon dioxide, it can also use oxygen, producing a glycolate and a glycerate.
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Photorespiration is an alternate pathway for rubisco, the main enzyme of photosynthesis (specifically, the Calvin cycle). Although rubisco favors carbon, it can also use oxygen, producing glycolate .
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Photorespiration and C4 Plants
All plants carry on photosynthesis by
adding carbon dioxide (CO2) to a phosphorylated 5-carbon sugar called ribulose bisphosphate.
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Photorespiration. Enhanced respiration of plants in the light relative to dark respiration
Photosynthate. A substance synthesized in the process of photosynthesis ...
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photorespiration
[Gk. photos, light + L. respirare, to breathe]
A metabolic pathway that consumes oxygen, releases carbon dioxide, generates no ATP, and decreases photosynthetic output; generally occurs on hot, dry, bright days, ...
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Photorespiration
Stomata and CO2 Concentration
Stomata (singular stoma) are microscopic openings on the undersurface of leaves that allow gas exchange and water evaporation from inside the leaf.
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photorespiration In C3 plants, respiration rates increase
photosynthesis The biochemical process by which green plants and some bacteria capture light energy and use it to produce chemical bonds.
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The product of that reaction forms glycolic acid, a chemical that can be broken down by photorespiration, producing neither NADH nor ATP, in effect dismantling the Calvin Cycle.
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