Biology · Photosynthesis and Photorespiration
If both CO2 and O2 concentrations increase simultaneously near RuBisCO, what primarily determines whether carboxylation or oxygenation will dominate?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Concentration of ATP in the stroma
- 2Total concentration of RuBisCO enzyme
- 3Ratio of CO2 to O2 concentration✓
- 4Absolute concentration of CO2 only
Correct answer
Ratio of CO2 to O2 concentration
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