Which of the Following Is a Disadvantage of C ₄

question 11

Multiple Choice

Which of the following is a disadvantage of C ₄ photosynthesis relative to C ₃ photosynthesis?

• A) inability of rubisco to obtain O ₂
• B) C₄ plants need energy to move fixed carbon compounds into bundle sheath cells
• C) need for stomata to close to conserve H ₂O
• D) need for energy to move H ₂O into bundle sheath cells
• E) inability of ATP synthase to utilize H ⁺ gradient for energy

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