Answer:
RuBisCO, FBPase, SBPase, and PRK.
Explanation:
Calvin cycle is operated by 11 different enzymes that catalyze 13 reactions. The “key” regulatory enzymes are RuBisCO, FBPase, SBPase, and PRK. These enzymes play a major role as they control the rate of CO2 fixation.
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