alleryIn the Calvin cycle the immediate carbon-acceptor is
ARibulose-1,5-bisphosphate (RuBP)
BPyruvate produced from glucose breakdown
CAcetyl coenzyme A inside the mitochondria
DCitric acid in the citric acid cycle
Answer & Solution
Correct answer: A. Ribulose-1,5-bisphosphate (RuBP)
1. The Calvin cycle starts with carbon fixation.
2. CO2 attaches to a 5-carbon sugar phosphate.
3. The chapter names this acceptor as RuBP.
4. So RuBP is the immediate acceptor.
_Source: Selina Concise Biology Class 10, Ch on Photosynthesis (Mistral OCR'd PDF), section on Calvin cycle_
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