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1. |
Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because : |
A. | Four carbon acids are the primary initial CO2 fixation production. |
B. | The primary fixation of CO2 is mediated via PEP carboxalase. |
C. | Effective pumping of CO2 into bundlesheath cells. |
D. | Rubisco in C4 plants has higher affinity for CO2. |
Answer» C. Effective pumping of CO2 into bundlesheath cells. | |