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  4. In Calvin cycle, RuBisCO incorporates CO 2 into ribulose, 1,5 -bisphosphate which rapidly splits into

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Q. In Calvin cycle, $RuBisCO$ incorporates $CO _2$ into ribulose, $1,5$ -bisphosphate which rapidly splits into

Photosynthesis in Higher Plants

Solution:

In Calvin cycle, carboxylation is the most crucial step where $CO _2$ is utilised for the carboxylation of $RuBP$. In this $CO _2$ reacts with ribulose 1,5 biphosphate to yield two molecules of $3$-phosphoglycerate, a reaction catalyzed by the chloroplast enzyme ribulose biphosphate carboxylaseoxygenase, referred to as $RuBisCO$.