How Is C₄ Photosynthesis Able to Achieve Higher Concentrations of CO₂

question 126

Multiple Choice

How is C₄ photosynthesis able to achieve higher concentrations of CO₂ in the vicinity of rubisco than photosynthesis in C₃ plants can?

• A)by separating carbon capture from carbon fixation
• B)by suppressing photorespiration
• C)by capturing HCO₃^- instead of CO₂
• D)because the C4 cycle is faster than the Calvin cycle

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