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What is the primary CO2 acceptor in the Calvin cycle?
APhosphoenol pyruvate
BOxaloacetic acid
CRibulose bisphosphate
D3-phosphoglyceric acid
Answer & Solution
Correct answer: C. Ribulose bisphosphate
CO2 is accepted by the 5-carbon ketose sugar RuBP, which gives two 3-carbon PGA molecules.
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