E. All of the above are not true. B. It is generated by the light reaction. It is generated by the dark reaction. D. It is used by the dark reaction. E. All of the above are not true.
Plants photosynthesize only during the day and respire only at night.
A. True B. False C. None of the above. Increases in atmospheric CO 2 levels will most likely affect C3 plants the greatest. A. True B. False C. None of the above. B. Increase photosynthetic rate. C. Decrease photosynthetic rate.