Which of the following statements about RuBis | vedclass

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(D) $RuBisCO$ (Ribulose$-1,5-$bisphosphate carboxylase-oxygenase) is the most abundant enzyme on Earth.It acts as a carboxylase in the Calvin cycle,wh

Vedclass · Accepted Answer

It catalyzes the carboxylation of $RuBP$.

Vedclass · Answer

(D) $RuBisCO$ (Ribulose$-1,5-$bisphosphate carboxylase-oxygenase) is the most abundant enzyme on Earth.It acts as a carboxylase in the Calvin cycle,where it catalyzes the carboxylation of $RuBP$ (Ribulose$-1,5-$bisphosphate) by adding $CO_2$ to it.Option $A$ is incorrect because $RuBisCO$ is light-dependent and active during the day.Option $B$ is incorrect because although it can bind to both,it has a much higher affinity for $CO_2$ than for $O_2$ under normal physiological conditions.Option $C$ is incorrect because the photolysis of water is catalyzed by the oxygen-evolving complex associated with Photosystem $II$,not $RuBisCO$.Therefore,the correct statement is that it catalyzes the carboxylation of $RuBP$.

Which of the following statements about $RuBisCO$ is true?

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