RuBisCO is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCO carries out more carboxylation in C₄ plants?
Assertion (A): RuBisCO is the most abundant enzyme in the world. Reason (R): RuBisCO acts both as a carboxylase and oxygenase enzyme in plants.
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