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9 April, 08:23

What happens in the Calvin Cycle?

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  1. 9 April, 08:33
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    Answer AND Explanation:

    Carbon fixation - Carbon dioxide (CO2) is reacted to produce glyceraldehyde 3-phosphate (G3P). The enzyme RuBisCO catalyzes the carboxylation of a 5-carbon compound to make a 6-carbon compound that splits in half to form two 3-phosphoglycerate (3-PGA) molecules. The enzyme phosphoglycerate kinase catalyzes phosphorylation of 3-PGA to form 1,3-biphosphoglycerate.

    Reduction reactions - The enzyme glyceraldehyde 3-phosphate dehydrogenase catalyzes reduction of 1,3BPGA by NADPH.

    Ribulose 1,5-bisphosphate (RuBP) regeneration - At the end of the regeneration, the net gain of the set of reactions is one G3P molecule per 3 carbon dioxide molecules.
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