Which enzyme catalyzes the initial step of attaching carbon dioxide to RuBP during the Calvin Cycle?
Answer
RuBisCO
RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase) is the most abundant enzyme on Earth and is responsible for catalyzing the carbon fixation step where $ ext{CO}_2$ is attached to RuBP.
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