When CO₂ Levels Are Low and O₂ Levels Are High,photosynthesis

question 71

Multiple Choice

When CO₂ levels are low and O₂ levels are high,photosynthesis can be inefficient,because rubisco will add

• A) CO₂ to ribulose 1,5-bisphosphate (RuBP) instead of O₂ .
• B) O₂ to RuBP instead of CO₂ .
• C) CO₂ to O₂ , forming sucrose instead of glucose.
• D) CO₂ to a molecule that contains four carbons.

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