Answer :
Final answer:
Carbon fixation is done during the fixation phase of the Calvin Cycle and is catalyzed by the enzyme RuBisCO (Option B).
Explanation:
The conversion of carbon from an inorganic to an organic form, a process known as carbon fixation, happens during the fixation phase of the Calvin Cycle. This process is catalyzed by the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO).
RuBisCO combines carbon dioxide (CO₂) with ribulose bisphosphate (RuBP), producing an intermediate molecule that is further converted into 3-phosphoglycerate (3-PGA). This marks the completion of the carbon fixation process, effectively converting inorganic carbon (CO₂) into an organic form (3-PGA).
Hence, the correct answer is Option b) Fixation : Rubisco.
Learn more about Calvin Cycle here:
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