At which point is G3P removed from the calvin cycle to be used in the production of Carbohydrates?
A. During photophosphorylation
B. During carbon fixation
C. Immediately after reduction
D. Immediately after regeneration
Answer:- C. Immediately after reduction
The right answer is ‘Immediately after reduction’. After reduction, the Calvin cycle instantly quits utilizing G3P. Plants use the Calvin cycle, a metabolic process to convert carbon dioxide into sugar. Its three steps are carbon fixation, reduction, and regeneration.
The enzyme RuBisCO repairs carbon dioxide during the carbon fixation cycle, resulting in the synthesis of two molecules of 3-phosphoglycerate (3-PGA). During the reduction stage, 3-PGA is transformed to glyceraldehyde 3-phosphate (G3P). In the regeneration stage, G3P is used to revitalize RuBP, the molecule that fixes carbon dioxide in the first stage. For every six molecules of carbon dioxide that are fixed, one molecule of G3P is eliminated from the Calvin cycle.
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