Biology
Grade-10
Easy
Question
RuBisCO has lower affinity for carbon dioxide when the ratio of carbon dioxide to oxygen is approximately
- True
- False
Hint:
More affinity for CO2 than O2 ( around 80X more)
The correct answer is 'False'.
RuBisCO has an affinity for carbon dioxide that is 80 times higher than its affinity for oxygen. However, the relativity low ratio of CO2 to O2 of mesophyll fluids in contact with air means that, in a typical plant, the Calvin cycle only occurs about three faster than photorespiration.
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