Ribulose-1,5-bisphosphate carboxylase/oxygenase enzyme catalyses the carboxylation between
A
Oxaloacetic acid and Acetyl CoA
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B
Ribulose-1,5-bisphosphate and carbon dioxide
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C
Ribulose-5-phosphate and oxygen
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D
3-Phospho glyceraldehyde and dihydroxyacetone phosphate
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Solution
The correct option is B Ribulose-1,5-bisphosphate and carbon dioxide In carboxylation phase CO2 is utilized for the carboxylation of ribulose-1,5-bisphosphate (RuBP). This reaction is catalysed by RuBP carboxylase/oxygenase (RuBisCo).