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Which of the following about Calvin cycle is correct?(a) It is a metabolic pathway by which plants convert CO2 into pentose sugars as the main product(b) With decrease in light intensity, the enzymes are more reactive(c) Rubisco adds CO2 to 3-phosphoglycerate(d) It is a metabolic pathway by which plants convert CO2 and water into carbohydratesI have been asked this question in an internship interview.This interesting question is from General Features of Photophosphorylation topic in section Oxidative Phosphorylation and Photophosphorylation of Biochemistry

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Right OPTION is (d) It is a METABOLIC pathway by which plants CONVERT CO2 and water into carbohydrates

The explanation: CO2 combines with ribulose 1, 5-bisphosphate.

The enzymes are more reactive if there is an increase in light INTENSITY.



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